Applicable scenes: car,desktop,outdoor,mobile portable,outdoor lawn Speaker unit: 3W Type: Bluetooth speaker Connection mode: Bluetooth connection Interface type: USB Frequency response range: 100HZ-20KHZ Output power：3W Signal-to-noise ratio:≥85dB Power supply: Built-in lithium battery Sound channel: 2.1 Playback time: 2-3 hours Extended storage: 32GB Number of speakers: 1 Effective distance: 10m Operation mode: Keypad Applicable people: General purpose […]