Hong Kong Sunglasses MP3 With Bluetooth

Specifications: Comply with bluetooth 1.2 stardand (bluetooth) Support handset and handsfree profile Transmitted power: Class2 Wireless connection range:10M Operation frequency range:2.402GHZ-2.480GHZ Sound output mode: Monophony Talking time:4hours, readiness time:120Hours Digital formats supported: MP3/WMA(mp3 player) Signal-to-noise ratio:87.2dB External hard drive function: Yes Audio Additional features: Auto-power off Earphones type: Binaural Mfr estimated battery life:5hours continuous Charging Time:3hours continaully Battery tape/capacity: Built-in Lithium lon Polymenr/3.7v,150m Ah Maximum imput power rating:5VDC,150mA Voice output power:55mW Voice output frequency:20Hz-20Khz