GR11 Car Bluetooth Receiver Transmitter 2 In 1 Bluetooth Audio Adapter

1. Aluminum alloy frame material, wear-resistant and durable
2. Extra long battery life, 13 hours in receiving mode, 6 hours in transmitting mode
3. Device memory function, power on automatically back to the connection
4. Volume memory function
5. Mobile phone, computer, bluetooth earphone and other home audio and video multi-functional use
6. Clear transmission, beautiful sound quality, stable signal
7. Built-in microphone, a key to answer/reject/hang up the phone
8. Support one to two, you can connect two cell phones at the same time
9. Digital display of power
10. Bluetooth transmitter and Bluetooth receiver can be switched freely by one key
11. Equipped with high-performance Bluetooth 5.3 chip, to ensure the stability of Bluetooth signal transmission, clear call sound quality, without disconnection
12. Compact size, easy to carry

Parameters:
1. Input voltage: DC 5V
2. Battery capacity: 250mAh
3. Bluetooth version: 5.3
4. Working distance: 10m
5. Audio interface: 3.5mm audio jack
6. Charging interface: Type-C
7. Battery life: about 13 hours in receive mode; about 6 hours in transmit mode
8. Support protocol: A2DP/AVRCP/HFP/HSP/SBC
9. Charging time: about 1h
10. Signal-to-noise ratio: greater than 60dB
11. Distortion: less than 0.1 percent
12. Frequency range: 2400MHz-2483.5MHz
13. Frequency response rate: 20Hz-20KHz
14. Left and right pass classification: more than 60dB
15. Microphone effective distance: 0-1m
16. Product size: about 3.2 x 6.5 x 1.46cm
17. Weight: about 24.3g