Specification: Item Type: MP3 Player Recorder_x000D_Material: Zinc Alloy_x000D_Charging Time: 1.5h_x000D_Recording Format: WAV_x000D_Playback Format: MP3, WMA, WAV, OGG, APE, FLAC, AAC_x000D_Resolution: 128 x 64_x000D_Built in Li Polymer Battery: 170mAh Features: 1Multi Functional: This MP3 player recorder design has a 1 inch 128 x 64 display with back clip, portable. Supports wireless transmitting, e book, timer shutdown, AB repeat. 2Long Battery Life: The MP3 player has built in 170mAh battery that can be charged via Micro USB. 15 hours of continuous playback after one full charge. Suitable for sports, running, etc. 3Recording Function: One key recording, MP3 recording, PCM linear recording 1536Kbit, 30 hours recording time, optional voice activated recording, automatic split recording. 4Multiple Playback Formats: MP3 player recorder, support MP3, WMA, OGG, APE, FLAC, WAV, AAC LC, ACELP multiple playback formats, with 3.5mm headphone jack, lossless music playback. 5Multiple Language Support: This MP3 player supports 28 languages, with lyrics display. Premium zinc alloy material and IML process, electroplated one piece lens, exquisite and durable. PackageList: 1 xMP3PlayerRecorder 1 x USB Cable 1 x Earphone Cable 1 x Manual