Feature:1. Charging Method: USB MP3 player, can be charged by computer, socket, cell phone charger, power bank's USB port.2. Compatible Formats: This portable digital music player supports MP3, WMA format music playback, providing the best sound quality to enjoy.3. Long Battery Life: Digital MP3 player has a built in 120mAh rechargeable lithium battery, which supports about 4 hours of playback time.4. Lightweight And Portable: Music player with ultra thin appearance, simple, sophisticated and fashionable. With a lanyard, convenient to carry.5. Gift Option: Our music player with 3.5mm jack for connecting earphones. Beautiful and exquisite, it is an ideal gift for students, friends and family.Specification:Item Type: MP3 PlayerMaterial: ABSInterface: USB 2.0Earphone Jack: 3.5mm/0.1inMemory Card Type: Memory CardBattery Capacity: 120mAhPlay Time (Hours): About 4 Hours.Package List:1 xMP3 Player1 x Lanyard