Product name: sharp clanD29 Brand: RuizuModel: D29Storage type: flash memoryVideo playback format: AMV audioPlay format: MP3 WMA WAV OGG APE FLACProduct Category: MP3Color classification: 8G black Bluetooth version 8G silver Bluetooth versionCard package type: official standardScreen size: 1.8 inchesDisplay type: color screen additionalFunction: Watch function No E-book, Pedometer, Calendar, Video playback timer, stopwatch, FM radio function, Bluetooth, picture browsing, recording function, external playback function, digital companion function, gravity sensor, intelligent operationSystem operating system: Ruizu operating systemMemory card type: TF cardBattery specifications: lithium batteryStyle: USB