[858 parameter description]]     

◆ supports various smartphones of Apple and Android systems.

◆Speaker power: 4Ω 4W * 2

◆ confidence ratio: ≥ 85dB

◆Frequency range: 150~20kHz

◆Audio source interface: 3.5mm stereo headset plug

◆ built-in 1800MA 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: 230*55 * 55MM

◆Outer box size: 58.5*44*48cm

◆Packing quantity: 40 sets/box

◆Gross weight of single box: 30kg