Amazon.com: V4 Version Wireless Bluetooth Module 2.4G for Electric Skateboard Based Upon The nrf51_esc Project Wireless DC 2V-12V 115200 baudrate for ESC Project Flipsky : Electronics
Amazon.com: Plugable USB Bluetooth 4.0 Low Energy Micro Adapter (Compatible with Windows 11, 10, 8.x, 7, Classic Bluetooth, Gamepad, and Stereo Headset Compatible) : Electronics
Amazon.com: SABRENT USB Bluetooth 4.0 Micro Adapter for PC 4-Port USB 3.0 Data Hub : Electronics
Amazon.com: Besign Bluetooth 4.1 Car Kit for Handsfree Talking and Music Streaming, Wireless Audio Receiver with Dual Port USB Car Charger and Ground Loop Noise Isolator for Car with 3.5mm AUX Input
Amazon.com: Premiertek Dual Mode Bluetooth V4.0 USB Adapter with Low Energy Technology for Notebook Desktop Raspberry Pi (BT-400_V2) : 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: SABRENT USB Bluetooth 4.0 Micro Adapter for PC [v4.0 Class 2 with Low Energy Technology] (BT UB40) : Electronics
Amazon.com: TIMMKOO 72GB MP3 Player with Bluetooth, 4.0" Full Touchscreen Mp4 Mp3 Player with Speaker, Portable HiFi Sound Mp3 Player with Bluetooth, Voice Recorder, E-Book, Supports up to 512GB TF Card (Black) :
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: Bluetooth Audio Transmitter, Wireless Bluetooth 4.0 Transmitter Adapter with 3.5mm Stereo Jack for TV / PC / MP3/ MP4/ CD Player/ iPod, etc : Electronics
Amazon.com: Sabrent USB Bluetooth 4.0 Micro Adapter for PC + USB External Stereo Sound Adapter for Windows and Mac. : 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
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Amazon.com: Insignia - Bluetooth 4.0 USB Adapter - Black : Electronics
![Amazon.com: Sabrent USB Bluetooth 4.0 Micro Adapter for PC [v4.0 Class 2 with Low Energy Technology] Gray (BT-UB40-GRY) : Electronics](https://m.media-amazon.com/images/I/715fg5778AL._AC_UF894,1000_QL80_.jpg "Amazon.com: Sabrent USB Bluetooth 4.0 Micro Adapter for PC [v4.0 Class 2 with Low Energy Technology] Gray (BT-UB40-GRY) : Electronics")
Amazon.com: Sabrent USB Bluetooth 4.0 Micro Adapter for PC [v4.0 Class 2 with Low Energy Technology] Gray (BT-UB40-GRY) : Electronics
Amazon.com: GMYLE Bluetooth 4.0 Broadcom Chip Dongle Adapter, Ultra-Mini USB Transmitter Receiver with LED, Support Windows 10, 8, 7, Plug and Play : Electronics
Amazon.com: Fineblue F920 Retractable Bluetooth Earphone Business Lavalier Earphone Sports Bluetooth Headset Voice Prompts Call Vibration Bluetooth V4.1 Anti-Lost Function(Black) : Electronics
Amazon.com: Alphasonik ASE300BT Bluetooth Headphones, V4.0 Wireless Sport Headphones, Sweatproof Running Headset with Built in Mic for Workout Exercise IPX5 SplashProof, Ergonomically Designed for Extra Comfort : Electronics
Amazon.com: Bluetooth V4.2+EDR Wireless Head Phones Athlete Sport Series, 4-Colors, Dual Track, Stereo HiFi w/mic,Excellent Base (Black) : Electronics
Amazon.com: Bluetooth V4.2+EDR Wireless Head Phones Athlete Sport Series, 4-Colors, Dual Track, Stereo HiFi w/mic,Excellent Base (Silver) : Electronics
Amazon.com: Bluetooth V4.2+EDR Wireless Head Phones Athlete Sport Series, 4-Colors, Dual Track, Stereo HiFi w/mic,Excellent Base (Blue) : Electronics
