Features: With BT 4.2 function, compatible with most of the BT-enabled devices, instantly connect to your devices from up to 10m away, make connection without pressure. Using flame light effect, create a great listening feeling for you, perfect for home, party, picnic or any other activities, take it with you to listen to music anytime and anywhere. Adopt a 52mm high-performance driver, provide strong bass without distortion even at highest volume, you can experience your music in full-bodied stereo. Built-in rechargeable 1800mAh lithium-ion battery, more durable, the standby time up to 20 hours, and you can enjoy up to 8 nonstop hours of your favorite music, which is great for a party night.