GR11 Car Bluetooth Receiver Transmitter 2 In 1 Bluetooth Audio Adapter

1. Aluminum alloy frame material, wear-resistant and durable2. Extra long battery life, 13 hours in receiving mode, 6 hours in transmitting mode3. Device memory function, power on automatically back to the connection4. Volume memory function5. Mobile phone, computer, bluetooth earphone and other home audio and video multi-functional use6. Clear transmission, beautiful sound quality, stable signal7. Built-in microphone, a key to answer/reject/hang up the phone8. Support one to two, you can connect two cell phones at the same time9. Digital display of power10. Bluetooth transmitter and Bluetooth receiver can be switched freely by one key11. Equipped with high-performance Bluetooth 5.3 chip, to ensure the stability of Bluetooth signal transmission, clear call sound quality, without disconnection12. Compact size, easy to carryParameters:1. Input voltage: DC 5V2. Battery capacity: 250mAh3. Bluetooth version: 5.34. Working distance: 10m5. Audio interface: 3.5mm audio jack6. Charging interface: Type-C7. Battery life: about 13 hours in receive mode; about 6 hours in transmit mode8. Support protocol: A2DP/AVRCP/HFP/HSP/SBC9. Charging time: about 1h10. Signal-to-noise ratio: greater than 60dB11. Distortion: less than 0.1 percent12. Frequency range: 2400MHz-2483.5MHz13. Frequency response rate: 20Hz-20KHz14. Left and right pass classification: more than 60dB15. Microphone effective distance: 0-1m16. Product size: about 3.2 x 6.5 x 1.46cm17. Weight: about 24.3g