(1)Bluetooth version:Bluetooth v2.1+EDR
(2)Working Range: 10meter
(3)Built in 400-500mA rechargeable battery
(4)Working time: 3-5hours
(5)Support A2DP V1.2, AVRCP V1.4 profiles;
(6)Support Line-in
(7)Support music from TF card directly
(8)Distortion: <0.5%
(9)Frequency response: 20HZ-20KHZ
(10)Loudspesker output: 4Ω3W
(11)STN: ≥85±2dB
(12)With LED indicating when working
(13)Easy operation with Voice prompts
(14)Unique design with good sound quality

(1)Unit Size:Dia.66mmx65(H) mm
(2)Weight:250g
(3)Color:blue,grey, red, silver
(4)Material:Plastic+metal