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Amazon.com: Defunc SPORT D0221 Wireless Bluetooth 4.1 In-Ear Headphones - Black : Electronics
Amazon.com: in Ear Headphones Ear Buds with Noise Isolation, Bluetooth 4.1 Lightweight Stereo Earbuds with High Fidelity Sound and Dynamic Crystal Clear Sound, Ergonomic Comfort for Gym Running Cycling Workout : Sports
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Amazon.com: Scosche BTT-SP FlyTunes Universal Portable Bluetooth 4.1 Wireless Audio Transmitter for Use with AirPods, Earbuds/Headphones, TV's and More - Black : Electronics
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Amazon.com: Sena 20S-01 Motorcycle Bluetooth 4.1 Communication System with HD Audio and Advanced Noise Control (Single) : Electronics
Amazon.com: Portable Bluetooth Speaker, French Bulldog 10W Stereo Sound Music Player Bluetooth 4.1 Wireless Speaker with 32G Extension, Radio Function, Support Voice Command, Built-in Battery : Electronics
Amazon.com: BESIGN SH03 Sports Bluetooth 4.1 Headphones, Wireless Stereo Earphones for Running with Mic for Wireless Music Streaming and Handsfree Calling, Up to 25 Hours Music time : Electronics
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Amazon.com: Acxico 1Pcs Bluetooth 4.1 Stereo Sound Module Audio Transmitter Stereo Module Wireless Speaker Headphones : Electronics
Amazon.com: Sennheiser HD1 In-Ear Wireless Headphones, Bluetooth 4.1 with Qualcomm Apt-X and AAC, NFC one touch pairing, 10 hour battery life, 1.5 hour fast USB charging, multi-connection to 2 devices : Electronics
Amazon.com: Bluetooth Receiver, Bluetooth Audio Adapter for Home Stereo,Speaker, TV, Tablet, with AUX3.5/RCA Output, Low Latency and HD Audio, Dual Device Connection : 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
