FEATURES:     
? Bluetooth version:Bluetooth v2.1+EDR 
? With LED indicating when working 
? Unique design with body ring rotation for volume control 
? Color:black+silver  
? Support A2DP V1.2, AVRCP V1.4 profiles; 
? Support Line-in and hand-free call with internal mic and FM raido 
? Support music from TF card directly 
? With excellent sound quality.   

 SPECIFIC DATA     
? Working Range: 10meter 
? Working time: 3-5 hours 
? Distortion: <0.5% 
? Frequency response: 100HZ-18K HZ 
? Loudspesker output: 4Ω3W 
? STN: ≥85±2dB 
? Unit Size: dia. 53*60(dia)mm 
? Weight: 200g 
? Material:metal+palstic+silicon 
 ? Built in battery: 500mah rechargeable