Overview:
Material: Silicone rubber (soft & smooth) Feel:it is aslo Comfortable for a long time to wear Technical parameters: Supported formats: MP3/WMA/WAV Capacity: TF card slot support up to 2GB (TF card not included) S / N ratio: ≥ 86d B Standby time:≥4 hours (I listened music myself via the item for 6 hours.) Output frequency: 20 Hz-20 K Hz Battery: Built in Rechargeable Li-ion battery Interface: USB (Universal Serial Bus) 2.0 interface Operating System: Windows 98/2000/XP/ Vista fit for work & stability: -10 ~ 45 degree Pause / Play button, easy to operate A reset button With a volume control button / — Up & down buttons to choose songs Speaker Power 2x 10MW Specification: Weight Approx:47.7g Size Approx:12.5 x 13.2 x 4.3