Outdoor Bluetooth o Intelligent Voice Atmosphere Colorful Lights Surround Stereo Outdoor Indoor Party Specification: Product name:Bluetooth Speaker Colour:Black Bluetooth version: 5.2 Bluetooth transmission distance: >10m Standby time: 5 hours charge time: 2 hours Charging box capacity:3000 mAh Voltage: 5V/1A Product weight: 790g/1.74 lb Package weight:945g/ 2.08 lb Product size: 11.7x11.7X15.3cm/4.61x4.61x6.02in Package size: 19x15x15cm/7.48x5.90x5.90 in Features: 20W high-power, surround stereo sound, 78mm large size internal magnetic horn, high rest degree REVERT voice, medium high bass pure-nature N kinds of color atmosphere lights, colorful changes/monochrome breathing, constant brightness, strobe, etc., and one click control of your exclusive colors 3000mAh large capacity lithium battery, which can play continuously for up to 5 hours when fully charged. It can also play while charging to keep good music open Three playback modes, which can be connected to Bluetooth devices, support 16G external TF cards, and can also be connected to AUX (equipped with a connection cable) Double series connection technology enables two speakers to produce sound at the same frequency, making the sound quality more surging and open Package Include: 1x Bluetooth speaker 1x Data cable 1x Instrutionns 1x AUX patch cord