1. Technologies: BT5.0, a2dp \ avctp \ avdtp \ avrcp \ hfp \ spp \ smp \ att \ gap \ gatt \ rfcomm \ sdp \ l2cap (receiver mode only)
2. Operation range: up to 15m / 50ft (without any blocking objects)
3. Pairing name(Receiver mode ): Bluetooth Music
4. Transmitter mode: blue LED light is on
5. Receiver mode: white LED light is on
6. Signal to noise ratio: about 110dB
7. Frequency response range: 10Hz-20KHz
8. Output impedance: 75 ohms
9. Size: 10.5x6.5x2.5cm