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Bluetooth Headset,Wireless Bluetooth 4.1 Business Headphone Earphone Super Long Standby Earpiece with Mic,Sweatproof,Noise Reduction,Mute Switch for Cell Phone,Truck Driver,Office,Sport - Walmart.com
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Bluetooth 4.1 will bring more reliable, automatic connections, multiple roles, & more via software update - 9to5Mac
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Bluetooth 4.1 Audio Receiver with 3.5mm Audio Output - Special NFC Function - Transmission Range of 10M - On / Off Switch - LED Indicator - Black - Orico
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Bluetooth 4.1 Audio Transmitter Module Board Kcx_bt_emitter Stereo Usb Sound Card Wireless Transfer To Speakers Headphones - Integrated Circuits - AliExpress
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Amazon.com: Besign BK01 Bluetooth 4.1 Car Kit Handsfree Wireless Talking & Music Streaming Receiver with Dual Port USB Car Charger and Ground Loop Noise Isolator for Car with 3.5mm AUX Input Port :
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TureClos Bluetooth 4.1 Earphone Single Business Headphone Stereo Sound Handsfree Call Wireless Earphone, Gold - Walmart.com
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