Specification for wireless portable speaker:
bluetooth specification: V4.0+EDR
connection: bluetooth/AUX/TF card
operation range: up to 10 meters
frequency response: 60hz-20khz
music formats: MP3/WMA/AMR/FLAC/APE/Vorbis etc
singl to noise: mobile phones,tablet,pc,laptop,desklop etc
bulit-in rechargeable(lithium-polymer): 900mAh battery
material: ABS
charge time: 1 hour
function: hands-free,music play,audio line-in
playing time: 4 Hours
dimension: 89*89*107mm
built-in microphone: yes
signal to noise ratio: >=85dB
output rate: 5w
speciful function: hand free call
