Independent buttons: no worry again about the stuck controls the intuitive and simple separate buttons make it really easy for your operation.</br>Bluetooth for wireless: work with Bluetooth 3.0 or above. 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.</br>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.)</br>50 hours playback&20 hours recording: fast-charge for about 2 hours (charges up to 80% of battery capacity)</br>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)</br></br>Product Description</br></br>-Set your music free by Bluetooth Note: Only work with Bluetooth 3.0 or above Output Device.<br> -Great Choice for Longtime Journey:50 Hours Music Playback<br> -Full-charge time: 3-4 hours. Fast-charge: about 2 hours (charges up to 80% of battery capacity) <br> -20 hours recording (even more with memory card). You may use it as a memo taker. Speak to it whenever any inspiration comes to your he