4 Lighting Modes: Illuminate your mood with various colorful lighting modes, suitable for any party and public event. Wireless Stereo Pairing: To let you enjoy the music, we've equipped the speakers with the True Wireless Stereo feature. You can connect two Bluetooth speakers (press both "pause" buttons simultaneously for five seconds) to enjoy powerful 3D surround sound. 12 Hours Playtime: Built-in 2600mAh lithium-ion battery can play up to 12 hours of music and can be recharged from any USB power source; it can be fully charged in 3 hours (output: 5V 2A). Multifunction: With the built-in microphone, you can make hands-free calls; the 3.5mm AUX input allows you to connect to devices that do not support Bluetooth, such as a PC. Bluetooth 5.0: Up to 10 meters of wireless Bluetooth transmission makes it easy to connect to any smartphone, tablet, and other Bluetooth-enabled devices anytime, anywhere. Product Size: 34*9.5*9cm. Shipped Quantity: 1 piece.