TWNT-SP874

●Bluetooth Version: V5.3

●Built-in lithium battery: 600mAh

●Signal&noise ratio:≥75dB 

●Impedance:4 OHM(Ω)

●Speaker Size: 45mm With diaphragm

●Power output:3W(1KHz,THD10%)

●Power input: DC 5V

●Bluetooth Distance 10M, call hands-free function

●Size:96.5*54.4*41MM

                                                                 
 1. Bluetooth connect with Smartphone,ipod,touch,3GS,etc.Distance in 10M
2. handfree function with intelligent voice                
3. charging indicater 
4. LED dazzling lights