Overview Functions: card insertion Applicable scenario: mobile and portable Horn unit: single horn Connection mode: Bluetooth connection Frequency response range: other Output power: 10 ~ 20W Signal to noise ratio: 75dB Power supply mode: built-in lithium battery Channel: 2 Playback duration: 6 hours Extended storage: not supported Number of speakers: 2 Effective distance: 10m Operation mode: key Applicable population: general Display screen: None Playback format: WMA Whether APP is supported: No Supported format: TF card Speaker adjustment mode: key Box material: other Weight product weight: 0.2 (KG) Package list: instruction manual/charging line Package type: portable speaker Power mode: USB Waterproof grade: IPx3 Bluetooth version: 5.0 Shell process: ABS