Features: Built-in BT5.0 chip, 10m wireless transmission distance, fast transmission speed, stable signal. Colorful RGB light effect, 7 light modes, greatly enhance music atmosphere. True wireless stereo sound, presenting more delicate music details. Strip design, not occupy desktop space, bid farewell to the messy cable. Built-in 1800mAh lithium battery, long endurance time. Specification: Type: Desktop BT speaker Brand: T-WOLF Model: BT320 Color: Black Material: ABS BT version: V5.0 Transmission distance: 10m(barrier-free) Light effect: RGB Impedance: 6¦, Play mode: BT/USB/AUX/TF/FM Battery capacity: 1800mAh Rated power: 5W*2 Output power: DC 5V/1A Item size: 42.5 * 6.35 * 6.3cm /16.73 * 2.5 * 2.48in Item weight: Approx. 688g /24.27oz Packing list: 1 * Speaker 1 * Audio cable 1 * Charging cable