SODO MH2 Wireless 5.0 Bluetooth Headphone,Microphone

Ated out put:3w*2 speaker:4ω,3w,φ40mm battery:350ma bluetooth version:4.2 bluetooth profiles:hfp/ input power:dc 5v frequency response:20hz-20khz signal to noise ratio:-75db~-95db the distortion degree:≦1% charging time: around 2.5 hours playing time:headphone mode around 7hours,speaker mode3.5hours accessories:user's manual, aux-in cable,micro-usb charging cable bluetooth, hands-free phone calls, fm radio, speaker and headphone 2 in 1,