Zinsoko Bluetooth 4.0 Wireless Portable Speakers with LED Lights and Built-in Microphone 360 Degree Colorful lights & Surrounded Sound Effect - Enjoy music just like at the scene; 6 kinds of music pulsating LED visual display modes - Can create a cheerful atmosphere, you can set adjust the light as you like. At the same time, it can increase the riding safety while you take it on your bike in the evening. Application of Core Technology - LED Lighting Technology + Acoustics + Pulsation Rhythm. When music broadcast, LED lights shows out with pulsating melody; Adopt international brand chips, and configure specialized DSP audio processing chip; HIFI level using a digital power amplifier Built-in Microphone for Hands-free Calling - when the cell phone rings, shortly press the PLAY/PAUSE, answer the call or hang up the phone; Support 3.5mm stereo line-in cable (Included) for playing other audio devices; Compatible with MP3, MP4, Smartphone, PC, Laptop etc. Built-in 3600mAh Rechargeable Battery - Power: DC 5V 1A, Charging time: 6 hours and less, Working time up to 10 hours(due to the Volume size) Features: Colorful LED Lights/ Bluetooth 4.0/ Surrounded Sound/ 6 Lighting Modes/ Hands-free Calling/ 3600mAh Battery/ Touch Button; Cool & Portable Design - Can carry it to anywhere you like that it is absolutely perfect for travel