[K7 parameter description]]

◆ supports various smartphones of Apple and Android systems.

◆Speaker power: 4Ω 5W * 1

◆ confidence ratio: ≥ 85dB

◆Frequency range: 150~20kHz

◆Audio source interface: 3.5mm stereo headset plug

◆Built-in 2000MA lithium battery, very convenient to charge

◆ Charging time: 3~5 hours

◆ playback time: 5-8 hours of fully charged intermediate tone volume

◆Power adapter requirements: input voltage: 220V output voltage: 5V current 1A/2A

◆Product size: 240*48mm

◆Outer box size: 55.8*45.7 * 27.3CM

◆Packing quantity: 30 sets/box

◆Gross weight of single box: 13kg