![Amazon.com: StarTech.com Bluetooth Adapter - Mini Bluetooth 4.0 USB Adapter - 50m/165ft Wireless Bluetooth Dongle - Smart Ready LE+EDR (USBBT1EDR4),Black : Everything Else Amazon.com: StarTech.com Bluetooth Adapter - Mini Bluetooth 4.0 USB Adapter - 50m/165ft Wireless Bluetooth Dongle - Smart Ready LE+EDR (USBBT1EDR4),Black : Everything Else](https://m.media-amazon.com/images/I/61GO7Ead1jL._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com Bluetooth Adapter - Mini Bluetooth 4.0 USB Adapter - 50m/165ft Wireless Bluetooth Dongle - Smart Ready LE+EDR (USBBT1EDR4),Black : Everything Else
![Amazon.com: Beats Beats_X in Ear Wireless Bluetooth 4.0 Earphones in Black Featuring Crisp Sound fit for Your Life (Renewed) : Electronics Amazon.com: Beats Beats_X in Ear Wireless Bluetooth 4.0 Earphones in Black Featuring Crisp Sound fit for Your Life (Renewed) : Electronics](https://m.media-amazon.com/images/I/51ZryGI3FmL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Beats Beats_X in Ear Wireless Bluetooth 4.0 Earphones in Black Featuring Crisp Sound fit for Your Life (Renewed) : Electronics
![Amazon.com: Audiovox BT100NIS Nissan CarStream with Bluetooth 4.0 for Hands-Free Calling, Music Steaming, and Sirius XM : Electronics Amazon.com: Audiovox BT100NIS Nissan CarStream with Bluetooth 4.0 for Hands-Free Calling, Music Steaming, and Sirius XM : Electronics](https://m.media-amazon.com/images/I/71b5OwLEoyL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Audiovox BT100NIS Nissan CarStream with Bluetooth 4.0 for Hands-Free Calling, Music Steaming, and Sirius XM : Electronics
![Techkey USB Bluetooth 4.0 Adapter Dongle for PC Laptop Computer Desktop Stereo Music, Skype Call, Keyboard, Mouse, Support All Windows 10 8.1 8 7 Techkey USB Bluetooth 4.0 Adapter Dongle for PC Laptop Computer Desktop Stereo Music, Skype Call, Keyboard, Mouse, Support All Windows 10 8.1 8 7](https://m.media-amazon.com/images/I/61dnYSZP1CL._AC_UF894,1000_QL80_.jpg)
Techkey USB Bluetooth 4.0 Adapter Dongle for PC Laptop Computer Desktop Stereo Music, Skype Call, Keyboard, Mouse, Support All Windows 10 8.1 8 7
![Amazon.com: Bluetooth 4.0 USB Dongle Adapter - Maxesla Wireless Bluetooth Transmitter Receiver for Windows 10/8 / 7 / Vista/XP Laptop PC for Bluetooth Speaker, Headset, Keyboard, Mouse, Game Controller Black : Electronics Amazon.com: Bluetooth 4.0 USB Dongle Adapter - Maxesla Wireless Bluetooth Transmitter Receiver for Windows 10/8 / 7 / Vista/XP Laptop PC for Bluetooth Speaker, Headset, Keyboard, Mouse, Game Controller Black : Electronics](https://m.media-amazon.com/images/I/41NsT1iN6NL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Bluetooth 4.0 USB Dongle Adapter - Maxesla Wireless Bluetooth Transmitter Receiver for Windows 10/8 / 7 / Vista/XP Laptop PC for Bluetooth Speaker, Headset, Keyboard, Mouse, Game Controller Black : Electronics
![Amazon.com: Edimax 2-in-1 N150 Wi-Fi & Bluetooth 4.0 Nano USB Adapter, EW-7611ULB (4.0 Nano USB Adapter) : Electronics Amazon.com: Edimax 2-in-1 N150 Wi-Fi & Bluetooth 4.0 Nano USB Adapter, EW-7611ULB (4.0 Nano USB Adapter) : Electronics](https://m.media-amazon.com/images/I/61i1fK1jHiL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Edimax 2-in-1 N150 Wi-Fi & Bluetooth 4.0 Nano USB Adapter, EW-7611ULB (4.0 Nano USB Adapter) : Electronics
![Amazon.com: Veepeak OBDCheck BLE+ Bluetooth 4.0 OBD II Scanner for iOS & Android, Car Diagnostic Code Reader Scan Tool for Universal OBDII / EOBD Vehicles : Automotive Amazon.com: Veepeak OBDCheck BLE+ Bluetooth 4.0 OBD II Scanner for iOS & Android, Car Diagnostic Code Reader Scan Tool for Universal OBDII / EOBD Vehicles : Automotive](https://m.media-amazon.com/images/I/61jO7scseQL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Veepeak OBDCheck BLE+ Bluetooth 4.0 OBD II Scanner for iOS & Android, Car Diagnostic Code Reader Scan Tool for Universal OBDII / EOBD Vehicles : Automotive
![Amazon.com: MUNBYN 58mm Bluetooth Receipt Printer, Mobile Wireless Receipt Printer Large Paper Warehouse BT 4.0 Thermal Printer, Portable 58mm Personal Bill POS Receipt Printer, for Android Windows, Do not Square : Office Amazon.com: MUNBYN 58mm Bluetooth Receipt Printer, Mobile Wireless Receipt Printer Large Paper Warehouse BT 4.0 Thermal Printer, Portable 58mm Personal Bill POS Receipt Printer, for Android Windows, Do not Square : Office](https://m.media-amazon.com/images/I/71ljCeOmASL._AC_UF894,1000_QL80_.jpg)
Amazon.com: MUNBYN 58mm Bluetooth Receipt Printer, Mobile Wireless Receipt Printer Large Paper Warehouse BT 4.0 Thermal Printer, Portable 58mm Personal Bill POS Receipt Printer, for Android Windows, Do not Square : Office
![Amazon.com: Kinivo USB Bluetooth Adapter for PC BTD-400 (Bluetooth 4.0 Dongle Receiver, Low Energy) - Compatible with Windows 11/10/8.1/8/7, Raspberry Pi, Linux, MacOS, Laptop & Headphones : Electronics Amazon.com: Kinivo USB Bluetooth Adapter for PC BTD-400 (Bluetooth 4.0 Dongle Receiver, Low Energy) - Compatible with Windows 11/10/8.1/8/7, Raspberry Pi, Linux, MacOS, Laptop & Headphones : Electronics](https://m.media-amazon.com/images/I/71HlkuAsHvL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Kinivo USB Bluetooth Adapter for PC BTD-400 (Bluetooth 4.0 Dongle Receiver, Low Energy) - Compatible with Windows 11/10/8.1/8/7, Raspberry Pi, Linux, MacOS, Laptop & Headphones : Electronics
![Amazon.com: USB Bluetooth Dongle, QGOO Bluetooth 4.0 Adapter Bluetooth Receiver for PC Laptop Desktop Keyboard Mouse Headset Speaker Smartphone Tablet Compatible with Windows 11/10/8.1/8/7/XP/Vista/XP : Electronics Amazon.com: USB Bluetooth Dongle, QGOO Bluetooth 4.0 Adapter Bluetooth Receiver for PC Laptop Desktop Keyboard Mouse Headset Speaker Smartphone Tablet Compatible with Windows 11/10/8.1/8/7/XP/Vista/XP : Electronics](https://m.media-amazon.com/images/I/61HyUTMkUeL.jpg)
Amazon.com: USB Bluetooth Dongle, QGOO Bluetooth 4.0 Adapter Bluetooth Receiver for PC Laptop Desktop Keyboard Mouse Headset Speaker Smartphone Tablet Compatible with Windows 11/10/8.1/8/7/XP/Vista/XP : Electronics
![GMYLE Bluetooth 4.0 Broadcom Chip Dongle Adapter, Ultra-Mini USB Transmitter Receiver with LED, Support Windows 10, 8, 7, Plug and Play GMYLE Bluetooth 4.0 Broadcom Chip Dongle Adapter, Ultra-Mini USB Transmitter Receiver with LED, Support Windows 10, 8, 7, Plug and Play](https://m.media-amazon.com/images/I/51vk1NR5gAL._AC_UF894,1000_QL80_.jpg)
GMYLE Bluetooth 4.0 Broadcom Chip Dongle Adapter, Ultra-Mini USB Transmitter Receiver with LED, Support Windows 10, 8, 7, Plug and Play
![USB MP3 Player Bluetooth 4.0 8GB Music Player with Clip Portable HiFi Lossless Sound Music MP3 Player with Voice Recorder Support up to 64GB TF Card (Black) USB MP3 Player Bluetooth 4.0 8GB Music Player with Clip Portable HiFi Lossless Sound Music MP3 Player with Voice Recorder Support up to 64GB TF Card (Black)](https://m.media-amazon.com/images/I/61Vdq1Sf7kL._AC_UF1000,1000_QL80_.jpg)
USB MP3 Player Bluetooth 4.0 8GB Music Player with Clip Portable HiFi Lossless Sound Music MP3 Player with Voice Recorder Support up to 64GB TF Card (Black)
![Amazon.com : Zebra Technologies ZQ52-AUE0000-00 Thermal Printer, Portable, ZQ520, 4" Size, Bluetooth 4.0, 203 DPI : Office Products Amazon.com : Zebra Technologies ZQ52-AUE0000-00 Thermal Printer, Portable, ZQ520, 4" Size, Bluetooth 4.0, 203 DPI : Office Products](https://m.media-amazon.com/images/I/91X4hI0uj9L._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Zebra Technologies ZQ52-AUE0000-00 Thermal Printer, Portable, ZQ520, 4" Size, Bluetooth 4.0, 203 DPI : Office Products
![Amazon.com: TRENDnet Low Energy Micro Bluetooth 4.0 Class I USB 2.0 with Distance up to 100Meters/330 Feet. Compatible with Win 8.1/8/7/Vista/XP Classic Bluetooth, and stereo headset, TBW-106UB : Electronics Amazon.com: TRENDnet Low Energy Micro Bluetooth 4.0 Class I USB 2.0 with Distance up to 100Meters/330 Feet. Compatible with Win 8.1/8/7/Vista/XP Classic Bluetooth, and stereo headset, TBW-106UB : Electronics](https://m.media-amazon.com/images/I/61YXmYwnLbL._AC_UF894,1000_QL80_.jpg)
Amazon.com: TRENDnet Low Energy Micro Bluetooth 4.0 Class I USB 2.0 with Distance up to 100Meters/330 Feet. Compatible with Win 8.1/8/7/Vista/XP Classic Bluetooth, and stereo headset, TBW-106UB : Electronics
![Amazon.com: TIMMKOO MP3 Player with Bluetooth, 4.0" Full Touchscreen Mp4 Mp3 Player with Speaker, Portable HiFi Sound Mp3 Music Player with Bluetooth, Voice Recorder, E-Book, Supports up to 512GB TF Card (Black) : Amazon.com: TIMMKOO MP3 Player with Bluetooth, 4.0" Full Touchscreen Mp4 Mp3 Player with Speaker, Portable HiFi Sound Mp3 Music Player with Bluetooth, Voice Recorder, E-Book, Supports up to 512GB TF Card (Black) :](https://m.media-amazon.com/images/I/71ZuukioEcL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: TIMMKOO MP3 Player with Bluetooth, 4.0" Full Touchscreen Mp4 Mp3 Player with Speaker, Portable HiFi Sound Mp3 Music Player with Bluetooth, Voice Recorder, E-Book, Supports up to 512GB TF Card (Black) :
![Amazon.com: Veepeak OBDCheck BLE+ Bluetooth 4.0 OBD II Scanner for iOS & Android, Car Diagnostic Code Reader Scan Tool for Universal OBDII / EOBD Vehicles : Automotive Amazon.com: Veepeak OBDCheck BLE+ Bluetooth 4.0 OBD II Scanner for iOS & Android, Car Diagnostic Code Reader Scan Tool for Universal OBDII / EOBD Vehicles : Automotive](https://m.media-amazon.com/images/I/61jO7scseQL.jpg)
Amazon.com: Veepeak OBDCheck BLE+ Bluetooth 4.0 OBD II Scanner for iOS & Android, Car Diagnostic Code Reader Scan Tool for Universal OBDII / EOBD Vehicles : Automotive
![Amazon.com: Bluetooth 4.0 USB Dongle/Adapter,Tangxi Bluetooth Receiver Transmitter for PS4 Playstation,Plug and Play,Support A2DP,HFP,Wireless Audio Dongle for Bluetooth Headset,Low Energy Mini Bluetooth Adapter : Electronics Amazon.com: Bluetooth 4.0 USB Dongle/Adapter,Tangxi Bluetooth Receiver Transmitter for PS4 Playstation,Plug and Play,Support A2DP,HFP,Wireless Audio Dongle for Bluetooth Headset,Low Energy Mini Bluetooth Adapter : Electronics](https://m.media-amazon.com/images/I/51GXSy8rNsL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Bluetooth 4.0 USB Dongle/Adapter,Tangxi Bluetooth Receiver Transmitter for PS4 Playstation,Plug and Play,Support A2DP,HFP,Wireless Audio Dongle for Bluetooth Headset,Low Energy Mini Bluetooth Adapter : Electronics
![Amazon.com: OBDResource OBD2 Scanner Bluetooth 4.0 Professional Automotive Diagnostic Scan Tool for iOS & Android Device Car Code Reader Check Engine Light Supports Torque, FasLink app : Automotive Amazon.com: OBDResource OBD2 Scanner Bluetooth 4.0 Professional Automotive Diagnostic Scan Tool for iOS & Android Device Car Code Reader Check Engine Light Supports Torque, FasLink app : Automotive](https://m.media-amazon.com/images/I/61krMJP0roL.jpg)
Amazon.com: OBDResource OBD2 Scanner Bluetooth 4.0 Professional Automotive Diagnostic Scan Tool for iOS & Android Device Car Code Reader Check Engine Light Supports Torque, FasLink app : Automotive
![Amazon.com: Infinity Orb Magnetic Levitating Speaker Bluetooth 4.0 LED Flash Wireless Floating Speakers with Microphone and Touch Buttons (Black) : Electronics Amazon.com: Infinity Orb Magnetic Levitating Speaker Bluetooth 4.0 LED Flash Wireless Floating Speakers with Microphone and Touch Buttons (Black) : Electronics](https://m.media-amazon.com/images/I/51G7jmp-taL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Infinity Orb Magnetic Levitating Speaker Bluetooth 4.0 LED Flash Wireless Floating Speakers with Microphone and Touch Buttons (Black) : Electronics
![Amazon.com: DSD TECH HM-10 Master and Slave Bluetooth 4.0 LE iBeacon Module Compatible with iPhone and iPad with 4 PIN Dupont Cable for Arduino : Electronics Amazon.com: DSD TECH HM-10 Master and Slave Bluetooth 4.0 LE iBeacon Module Compatible with iPhone and iPad with 4 PIN Dupont Cable for Arduino : Electronics](https://m.media-amazon.com/images/I/61PW2uyXUML._AC_UF894,1000_QL80_.jpg)
Amazon.com: DSD TECH HM-10 Master and Slave Bluetooth 4.0 LE iBeacon Module Compatible with iPhone and iPad with 4 PIN Dupont Cable for Arduino : Electronics
![Amazon.com: Soundbot SB510 HD Water Resistant Bluetooth 4.0 Shower Speaker, Handsfree Portable Speakerphone with Built-in Mic, 6hrs of Playtime, Control Buttons and Dedicated Suction Cup (Black) : Electronics Amazon.com: Soundbot SB510 HD Water Resistant Bluetooth 4.0 Shower Speaker, Handsfree Portable Speakerphone with Built-in Mic, 6hrs of Playtime, Control Buttons and Dedicated Suction Cup (Black) : Electronics](https://m.media-amazon.com/images/I/814rXINMGHL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Soundbot SB510 HD Water Resistant Bluetooth 4.0 Shower Speaker, Handsfree Portable Speakerphone with Built-in Mic, 6hrs of Playtime, Control Buttons and Dedicated Suction Cup (Black) : Electronics
![Amazon.com: SABRENT USB Bluetooth 4.0 Micro Adapter for PC [v4.0 Class 2 with Low Energy Technology] (BT UB40) : Electronics Amazon.com: SABRENT USB Bluetooth 4.0 Micro Adapter for PC [v4.0 Class 2 with Low Energy Technology] (BT UB40) : Electronics](https://m.media-amazon.com/images/I/71i0HInvk2L._AC_UF894,1000_QL80_.jpg)
Amazon.com: SABRENT USB Bluetooth 4.0 Micro Adapter for PC [v4.0 Class 2 with Low Energy Technology] (BT UB40) : Electronics
![Amazon.com: EVEO Bluetooth Adapter for PC 5.1 - Bluetooth Dongle 5.1 Adapter for Windows 10 Only (Plug and Play) for Desktop PC, Laptop, Printers, Keyboard, Mouse, Headsets, Speakers - USB Bluetooth 5.1 Dongle : Electronics Amazon.com: EVEO Bluetooth Adapter for PC 5.1 - Bluetooth Dongle 5.1 Adapter for Windows 10 Only (Plug and Play) for Desktop PC, Laptop, Printers, Keyboard, Mouse, Headsets, Speakers - USB Bluetooth 5.1 Dongle : Electronics](https://m.media-amazon.com/images/I/51YZr0Yb+KL._AC_UF894,1000_QL80_.jpg)