Product Description

The resilient glass, which is comprised of **-layer materials, is introduced from polarized lenses produced by an American company Polaroid. The flip-up lens is a material that blocks **0% of all UVA, UVB, UVC and harmful blue light PC interface supported:USB Digital formats supported: MP3/WMA Signal-to-noise ratio:*7.2dB Playback Modes:Random play 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, **0mA Maximum imput power rating:5VDC, **0mA Voice output power:*5mW Voice output frequency:*0Hz**0Khz earphone impendance:*6 Ω*2 Memory Flash: **2MB*4GB