Foreign businessmen are welcome to purchase JOHNYSTAR in large quantities to produce and process various electronic commodities and supporting products for a long time.

Bluetooth solution: V 4.0 stereo + CSR solution
Source distance; 10 m to 20 m
Frequency response: 20- 20KHZ CD sound quality
Signal to noise ratio: & gt; 85 db
Distortion rate: < 0.1%
Operating voltage: 3.5-5v
Working current: about 30-60ma
Battery: 350V, 800MA

It is the best choice for marketing promotion and advertising gifts. It can print the LOGO or make the packaging as specified by the customer
It's sold all over the world