Amazon.com: Bluetooth Receiver, Elecwave Bluetooth 4.2 Car Receiver & Wireless Audio Adapter for Music Streaming Car/Home Stereo Sound System - Hands-Free Car Aux Adapter Car Kits for Speaker, 3.5mm AUX in Only :
Amazon.com: XRONG Bluetooth Car Kit, Bluetooth 4.2 Hands-Free Audio Calling and LED Digital Display, Music Player Support TF Card USB Flash Drive FM Radio AUX Input(Built-in Microphone, IR Remote Control) : Electronics
Bluetooth Sleep Headphones - GOOJODOQ Bluetooth 4.2 Wireless Soft in-Ear Sleeping Earbuds, 18 Hours Music time, Wireless Sleep Headsets for Insomnia, Side Sleeper, Gym, Relaxation and Sports-Black : Electronics
Amazon.com: Wireless Earbuds Bluetooth 4.2 Stereo High Fidelity Sound Rechargeable Bluetooth Earphones up to 6 Hours Playing Time Wireless in Ear Bluetooth Headphones with Charging Case for Smart Phones : Electronics
EDUP USB Bluetooth 4.2 WiFi Adapter AC 600Mbps for PC, Wireless Wi-Fi Dongle Dual Band 2.4G/5.8G with Antenna Support Windows 10/8.1/7 / XP/Vista/Mac OS : Electronics
Amazon.com: Bluetooth Speaker,Portable Wireless Speakers with HD Sound,Longer Playtime, Built-in Mic for iPhone/Samsung/Andriod/PC/Laptop Ehco dot Support USB/TF Card/AUX(Black) : Electronics
Amazon.com: HiLetgo 3pcs M38 Wireless Bluetooth MP3 Audio Receiver Board BLT 4.2 mp3 Lossless decoder Bluetooth 4.2 Audio Receiver Board Wireless Stereo Sound Module : Electronics
Amazon.com: SMSL AD18 80W2 Bluetooth 4.2 HiFi USB DSP Digital Decoding Power Amplifier : Electronics
Amazon.com: NYNE Punch Portable Wireless Bluetooth Speakers 4.2 Waterproof IP67, 20 Hours Play-time, 100 ft Range,Stereo Pairing, Durable and Loud Speakers Compatible iPhone/Samsung, Outdoor/Beach/Travel,Black : Electronics
Amazon.com: Levin Bluetooth 4.2 Headphones Neckband Wireless Sports Headset Over-Ear Earbuds with Sweatproof, Hi-Fi Stereo,Built-in Microphone and 12 Hours Playtime(Red) : Electronics
Amazon.com: nRF51822 Wireless Module QFAA Bluetooth 4.2QFAC Wireless Module 2.4GBLE4.0|NRF52832 Wireless SOC Single Chip : Electronics
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Amazon.com: Asseso BR1 Bluetooth Car Receiver – Compact 3.5mm Aux Adapter for Wirelessly Streaming Music with Car/Home Sound Stereo – Bluetooth 4.2; No Charging; Connects Automatically : Electronics
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Amazon.com: Goodqueen KCX BT002 Bluetooth 4.2 Audio Receiver Module Wireless Circuit Board Stereo : Electronics
Sennheiser Consumer Audio CX 6.00 BT Wireless in-Ear Headphones, Bluetooth 4.2 with Qualcomm Apt-X, 6-Hour Battery Life, 1.5 Hour Fast USB Charging, Multi-Connection to 2 Devices, Black : Electronics
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Amazon.com: Paww WaveSound 2.1 Wireless Bluetooth 4.2 Over-The-Ear Foldable Headphones/Headset with Mic, aptX Low Latency (34 ms) Super Fast Audio for TV, PC Gaming, Wired Mode - Black : Electronics
Amazon.com: HiLetgo 3pcs M18 Wireless Bluetooth MP3 Audio Receiver Board BLT 4.2 mp3 Lossless decoder Bluetooth 4.2 Audio Receiver Board Wireless Stereo Sound Module : Electronics
Amazon.com: Galand Portable Bluetooth Speaker Mini G2 6D Bass Bluetooth 4.2 Wireless Speaker with USB TF Card Jack Stereo Sound Subwoofer Loudspeaker for Home,Outdoor,Travel Silver Gray : Electronics
