Features: Support NFC pairing which will turn on or off the Bluetooth wireless connection. With 3.5mm audio output port compatible with more devices. Keeps your mobile devices mobile: without having to dock your mobile device or wire it to your sound system. High quality audio and make you enjoy sweeter music. Built-in microphone enable hands-free calls by this receiver. When listen to music you can also charge your smartphone by this receiver at the same time. Specifications: Type: NFC desktop Bluetooth receiver Material: ABS Color: Black White(dear buyer:we will send black.if you want white color.please leave a message to tell us. thank you!) Bluetooth version: V3.0 Working distance: 10 meters Charging voltage: DC 5V Fit for: All the Bluetooth audio device support A2DP/AVRCP/HFP protocol Function: With NFC answer or reject the phone Item size: 8.4 * 6.3 * 2.1cm / 3.30 * 2.48 * 0.83in Item weight: 224g Package Included: 1 x NFC Desktop Bluetooth Receiver 1 x Audio Cable 1 x USB Charging Line