Portable MP3 Player Mini/Nano

Product Type: MP3 Player Bluetooth: No Memory Play: Yes Waterproof: No Battery Type: Lithium-ion battery Battery Capacity: (mAh)55m Ah Working Time:2 - 3 hours Standby time: 4 hour WIFI: NO DSP: Mp3 player only DAC: Mp3 player only Dimensions (WxHxD): 2.5*1.5*1cm Compact mini MP3 music player with micro SD card slot Support MP3 audio formats only Provides high quality sound for music enjoyment Back clip design for secure carrying around you Built-in rechargeable lithium-ion battery Last for 2 - 3 hours music playing time High speed USB 2.0 Mini USB Interface Requires Micro SD card GW-P-MP3 PLAYER-BLACK