... , speaker system, FM radio, song select, with built-in recharge li-ion battery Model : HM-801Portable Nostalgic ... noise & sound distortion, keeps high sound fidelityRemote controller included for remote access controlLithium Battery capacity :900mAhOutput : RMB 10W (5W + 5W) THD ... music players HM-801 Portable Multimedia 2.1 Speaker System, with Remote Control, SD/MMC, Give Good Sound Output