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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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Car Bluetooth 4.1 MP3 WAV Decoding Board 3W Speaker Amplifier Audio Receiver Module Support USB/TF/U-DISK/IR Remote Control _ - AliExpress Mobile
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Bluetooth 4.1 Receiver and Transmitter, 2-in-1 Wireless 3.5mm Audio Adapter,Built-in Mic for Hands-Free Calling in RX Mode - Walmart.com
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Upgraded] Roav Bluetooth Receiver, by Anker, with Bluetooth 4.1, CSR Bluetooth Chip, Noise-Cancellation, Integrated Mic for Hands-Free Calling, AUX-Out, and a USB Charging Port Car Electronics Accessories - Newegg.com
Bluetooth 4.1 will bring more reliable, automatic connections, multiple roles, & more via software update - 9to5Mac
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