Enjoy music without limit, after a busy day, sit back on your bed or sofa and listen to the music while the LED lights shines and surround you which create different atmosphere,not bad idea to have a good snap. For Gesture control light effect: LED color lights changes while touch the top of speaker everytime Double click on the variable breathing mode under the condition of constant light Adjust the brightness of lamp by continuously touch Product Features: Bluetooth: V2.1+EDR Output Power: 1*3W Frequency: 60HZ-15KHZ Transmission range: 10M THD: ≤1.0% SNR: ≥80dB Battery capacity: Built in 550mAh polymer battery Charging voltage: DC 5V Play time: 5h Charge time: 1h@2A Product Color: white loudspeaker power: 4 Ohms Product dimension: 112*145mm weight: 300g Compatible for: iPod,iPad,Tablet,Smartphone,MP3 players,CD players,Laptop,Desktop Package contain: 1*Portable bluetooth speaker 1*USB cable 1*Audio cable 1*english manual Tips: 1. You can use the speaker while it is charging 2. Please make full charge for the speaker at the first time,charging time is 3h. and please let it die then charged.when you charge it,the red light is on which indicate the speaker is under charging. 3. You can connect with your PC via USB. the speaker comes with USB cable. 4. Please use the three connection mode seperately(bluetooth mode/TF card mode/USB flash mode),if you use TF card mode, then you can’t use bluetooth mode at the same time.