JOHNYSTAR has been producing and processing all kinds of electronic commodities and supporting products in large quantities 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
Horn diameter: 40 mm
Speaker impedance: 32 Ω
Incoming voice input interface standard: 3.5mm
Standby time: 48H
Answer the phone: 6-8h
Keep listening to music:4-6h
Charging time: 2-3 hours can be filled

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
Exported all over the world!
Foreign buyers are welcome