AGPtEK A18 8GB Sport Bluetooth MP3 Player&50 Hours Playback Lossless Sound Music Player (Supports up to 64GB), Blue Independent buttons: no worry again about the stuck controls, the intuitive and simple separate buttons make it really easy for your operation. Bluetooth for wireless: work with Bluetooth 3.0 or and below 4.1, not supports V4.1. Folder play via Bluetooth (playlist is not supported via Bluetooth). Please note Bluetooth mode is compatible with Cars of 0000 PIN code, not with random PIN. Entry Level Hi-Fi: Supports MP3 (MP1, MP2, MP3), WMA, WAV, APE, FLAC. (Supports APE and FLAC with sampling rate 8 KHz- 48 KHz, Bit Rate: Fast/Normal compression 800 Kbps-1000Kbps.) 50 hours playback&20 hours recording: fast-charge for about 2 hours (charges up to 80% of battery capacity) Built in 8GB memory capacity, Supports up to 64 GB Micro SD Card for 4000 lossless sound music. (Please use AGPtEK memory card to avoid compatibility problem)