product description
1. BT4842 is a Bluetooth music adapter developed and designed for Bluetooth receiving and transmitting.
2. The product adopts the module design of CSR8670 chip the high-end integrated chip makes the product have one drag and two lossless sound quality strong compatibility low power consumption etc.; on the basis of analog audio interface increase the optical interface digital audio decoding can be high-end
3. The optical fiber interface of the audio appliance is connected.

Performance parameters:
1. Main chip CSR8670
2. Bluetooth Specifications Bluetooth 5.0+EDP
3. Support Bluetooth protocol A2DP AVRCP
4. Receive connection 2
5. Launch connection 2
6. Working voltage DC 3.0-4.2 V
7. Working current about 23mA
8. Working time about 20H
9. Built-in lithium battery 450mAH
10. Wireless transmission range >10 meters
11. Transmission power CLASS2
12. Frequency range 2.4GHz-2.480GHz
13. External interface 3.5 audio plug fiber interface MK USB plug
14. Product size
61.0 (L) * 61.0 (W) * 20.0 (H) mm