Features: 1. Built-in rechargeable battery 2. Built-in USB/SD/MMC/TF slot 3. Integrated FM radio 4. mp3 format supported 5. Audio output package: Ctn Meas.: 424*242*448mm 100PCS/Ctn. N.W.: 22 KGS G.W.: 23 KGS 20ft container: 62000 PCS