JoyRoom JR-CB1 Bluetooth 5.3 and Stable Connection 3 IN1 Bluetooth Car Adapter

The Bluetooth 3.5mm Aux receiver can turn your old car audio/home audio/3. 5mm wired earphones/speakers into wireless. Compatible with most Bluetooth-enabled devices, such as smartphones, tablets, laptops, and computers.
This Bluetooth AUX receiver can pair with Bluetooth devices and the built-in microphone can be used to answer hands-free calls. One key is to answer, reject, end, and redial the last number. Designed with MFB and a volume up/down button, it is very convenient to adjust the volume of the music.
One key to power on and enter pairing mode. The built-in battery has a long battery life and can support up to 16 hours of use after being fully charged. Fast charging and can be fully charged within 2 hours.

Model: JR-CB1
BT version: 5.3
Supported protocols: HSP/HFP/A2DP/AVRCP
Audio decoding: AAC/SBC
Transmission distance: >12m
Frequency response range: 20Hz-20kHz
Microphone sensitivity: -38±2dB
Working voltage: 3.0～4.2V
SNR: >58dB
Power: 50mW
Battery capacity: 300mAh
Music time: 22h (70% volume)
Talk time: 16h (70% volume)
Charging time: 2h
Standby time (connected): 27h
Charging input: 5V⎓1A
Product size: 51.4mm*35mm*13.4mm
Net weight: 30g