Color: black, silver, gold, blue, purple, 
LOGO: can be customized 
Product size: 70*45*25MM 
Product function: Bluetooth speakers play +FM Radio + + mobile phone hands-free mobile phone anti lost + self technical 
parameters: 
1 output power: 3W 
2 machine sensitivity: 360mV 
3 signal to noise ratio: 80dB 
4 charging voltage: 500mA DC-5V 
5 frequency response: 120Hz-20KHz 6 Bluetooth parameters: V3.0+EDR Bluetooth 
Functional characteristics: 
The utility model uses 1 effective acoustic design, superior sound quality, support clock, alarm clock, stopwatch 
2 Bluetooth audio transmission and hands-free calls 
3 Bluetooth self timer function, to achieve while listening and shooting 
4 FM FM radio 
5 voice prompts a variety of working conditions 
6 support TF card play and support WAV/mp3 file format 
7 built in high-capacity lithium battery powered, long battery life up to 6 hours.