Bluetooth Function you can play the music through Bluetooth speaker or Bluetooth headset.</br>Built-in lithium battery 450mah Rechargeable Battery Get up to 60 hours?of music playback recording up to 100 hours on a single charge with</br>RKnano chipperfect sound quality It has various playing modes8 GB memory capacitysupports up to 32 GB Micro SD Card</br>lossless acoustics; support multiple music formats: MP3 WMA WMA OGG APE FLAC WAV AAC-LC.</br>Multifunctional: video display FM radio Stopwatch E-booktime Voice recorder.</br></br>Product Description</br></br>Pretty MP3 player with aluminum alloy shell. Shakeproof  DustproofMore color 60 HOURS Continuous Playback Bluetooth mp3 Connecting a Bluetooth headset support Bluetooth stereo Product dimension: 95x 40 x 8.9 mm N.W:35g G.W: 120g. Colored 260000 1.8 inch TFT screen Resolution: 128*160px Product description: 1.With RKnano chipperfect sound quality.It has various playing modes such as single order circulation memory