This wireless Bluetooth party speaker has been designed for outdoor or indoor entertaining with colour LED lighting for added party atmosphere. Powered by an internal rechargeable battery, it’s the perfect speaker to set up anywhere you need instant sound, providing up to 8 hours use before requiring charge (mains charger included - this can also be left connected if using at home). The unit is True Wireless Stereo (TWS) enabled allowing you to synchronise two speaker units together for stereo sound in a large room or outdoor area. Stream audio wirelessly from any Bluetooth enabled device, or play audio from the USB port or micro SD card slot. With the included wireless microphone it turns into a mini PA system allowing you to easily make speeches or perform your own home karaoke along with the music. Music and microphone audio can also be recorded to connected USB memory sticks. Dimensions: 560H x 250D x 260W. Bluetooth Version: V5.0 Frequency range: 2.4-2.48Ghz Working distance: up to 15m Supporting: USB/TF card play Remote Control: up to 5m in open space Output Power: 35W RMS Distortion: ≤1.0% Frequency response: 180Hz-20KHz Working time: 6-8 hours at 80% volume Input jack: AUX input, wired microphone input Charging input power: 9V DC (adapter supplied) Internal Battery: 7.4V 5400mah 39.96Wh Dimensions: 560H x 250D x 260W