This multi-functional MP3 helps you listen to music, FM Radio, record, record movement trail, read e-book, watch video and pictures, read time and calendar, etc. HiFi lossless sound quality highlight super bass and high pitch in music world. Besides, clip design is convenient to clip on the belt, on the pocket to prevent it from falling down. Features: [Multi-functional MP3 Player] With this multi-functional MP3, you can listen to music, FM Radio, record, record movement trail, read e-book, watch video and pictures, read time and calendar. Sleep auto off helps to save more energy. [BT Technology] BT 4.0 technology allows you to connect wireless headphone wirelessly. New equipment for sport music. [HiFi Lossless Sound Quality] HiFi lossless sound quality highlight super bass and high pitch. Besides, 7 kinds of sound effect are for your choice. [Pedometer Function] Pedometer function can correctly record your movement trail, distance, calories consumption to master health condition. [Clip Design] It can be clipped on the belt, on the pocket with back clip design. Never fallen down even if you run fast. Specifications: Brand Name: RUIZU Model: X50 Screen Size: 1.5in BT Version: 4.0 SNR: 90DB Audio Format: MP3/APE/FLAC/WAV/OGG/ AAC/WMA Video Format: 128 * 160 AMV Video Lyric Format: LRC FM Radio Frequency: Europe: 87.5-108KHz, Japan: 76-90KHz Language: Chinese, English, Japanese, Korean, 28 languages TF Card: Support 1-128GB Battery: 3.7V, 300mAh Music Playing Time: about 8 hoursdepend on music volume Item Size: 5.6 * 3.5 * 1.2cm / 2.20 * 1.38 * 0.47in Item Weight: Approx. 24g / 0.85oz Package Size: Approx. 16.8 * 9.6 * 2.7cm / 6.61 * 3.78 * 1.06in Package Weight: Approx. 86g / 3.01oz Color: Black / Blue / Red / Green (Optional) Package List: 1 * MP3 Player 1 * Earphone 1 * Charging Cable 1 * User Manual