Feature:Digital music player supporting MP3 and WMA music format.Built in rechargeable lithium battery, full music can be continuously played 10 sound quality, perfect music enjoyment.Support MP3, WMA format music filesBuilt in high energy rechargeable battery.Can also be used as a SD/TF card readerFashionable and compact shape design, exquisite workmanship and exquisite gifts.SpecificationsModel: strip MP3Play time (hour): about 10 hoursStandby time (hour): 48Size: 8.5*2.5*0.9cmWeight: 17.9 gColor: blueBattery capacity:260 mATheSupport 2/4/8/16GB/32GB SD/TF card (Memories are not included)Mode of operation: keystrokeInterface: USB 2.0Headphone interface:3.5mmSupport audio format:MP3Built-in Battery type: special lithium batteryPackage Contents:1 x MP3 Player1 x ropeOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.