Remote Control: NoCabinet Material: MetalInterface Type: USBUse: Home Theatre，Portable Audio Player，Mobile Phone，Karaoke Player，Computer，StageSpeaker Type: SurroundAudio Classification: MiniPlayback Function: MP3Type: ActiveSpecial Feature: Wireless，Portable，MiniRadio: NoSpeaker Structure: SealedLoudspeaker Accommodation Mode: ButtonChannels: 2 (2.0)Display Type: NoneModel Number: OVEVO Z1Battery capacity: 3.7V/750mAhOperating hours: 6 hoursCharging time: 2.5 hoursUnit Type: piecePackage Weight: 0.400kg (0.88lb.)Package Size: 30cm x 12cm x 10cm (11.81in x 4.72in x 3.94in)