AGPtEK 8GB & 50 Hours Playback Bluetooth 4.0 MP3 Player Lossless Sound Music Player (Supports up to 64GB), Green Play the music through Bluetooth speaker or Bluetooth headset. Only work with Bluetooth 3.0 or above. Folder play via Bluetooth (playlist is not supported via Bluetooth). 2 whole days' battery life & Fast charge (10 minutes charge Lasts for hours). 1.1 oz. Weight. Smart but Big Music. Entry Level Hi-Fi. Best Sound Quality for small size. Bluetooth mode support folder list playback and doesn't support Playlist. (AUX mode does). Auto connection with last device. Bluetooth mode is compatible with Cars of 0000 PIN code, not with random PIN. Easy 'Drag & Drop' Audio Music File Management. Supports MP3, WMA, Flac, Ape; Lossless BIG Sound; Up to 2000 songs by built in 8GB memory capacity, supports up to 64 GB Micro SD Card for 4000 Songs! (Not included. Please use AGPtek or Kingston memory card to avoid compatibility problem.) Bluetooth for wireless. Perfect & Shuffle for Sport & Long Long Road Trip. Special Design Armband Available, Search "AGPTek A06 Armband "