Features:10W full frequency range pronunciation unit, bass and surround sound reverberation match, lets you listen to great music.BT 5.0, high data transmission speed, stable performance, and low power consumption, delivers great sound quality.Supports BT connection/U disk/TF card/AUX-IN 4 music playback modes, allowing you to enjoy music anytime and anywhere.Supports TWS function, two of them can connect to each other for stereo and powerful rich sound.Built-in 2000mAh large capacity battery, fast charging, long voyage, can be used continuously for about 8 hours.How to activate the TWS function:1. Activate true wireless stereo sound by pairing 2 Q8 speakers. Turn 2 speakers on, press and hold the pause button (Triangle pattern) of one of the speakers for 3-4 seconds, and the two speakers will be automatically connected.2. Turn on the mobile phone BT, search for the audio BT device Q8, after connecting, you can use them.Specifications:Brand Name: HXSJModel Number: Q8BT Version: 5.0Operation Range: 10m (no obstacle)Loudspeaker: 3-inch, 10WFrequency Response Range: 20Hz-20KHzStandard Impedance: 4-8Battery Capacity: 2000mAhPower Input: 5V 1AStyle: BlackItem Size: 18.0*9.8*9.7cm/7.08*3.85*81inItem Weight: 475g/16.75ozPackage Size: 20.5*10.5*10.5cm/8.07*4.13*4.13inPackage Weight: 573g/20.21ozPackage List: 1 * BT Speaker1 * USB Cable1 * Audio Cable1 * User Manual (English/Chinese)