Power:RMS 3W*2
Frequency:2402MHZ-2408MHZ ISM band
Frequency Response:Satellite - 20 Hz to 20 kHz
Subwoofer:1.5”*2;4 Ohm(Magnetic shield)
Controls Provided/Feature:
1.Volume+—
2.prev ，next；
3.Transmission Range:>10M(Measured in open
  space walls and structures may affect range of device) ;
4. working time:12 Hours;
5. working Voltage: 3.3V~4.2V;
6.Averge time:3 Hour;
7. Data Transmissin rate:2.1 MBPS;
8.SNR:>85db
9. Audio out put:low power consumption class D type Digital power amplifier;
10.Automatic off power function:5 minute the Bluetooth power 
   Don’t have contact equipment will be off Bluetooth power
11.Color: blue and black；silvery and red;
12.Material:Iron nets plastic panel
13.bluetooth Size: L60*W86*W46MM
14.Color Box Size:L70*W96*W56MM
15.Carton Box Size：L400*W290*270MM（50sets）
16.Power Supply:li -polymer3.7v/1200mAh