Yoobao YBL202 Portable Wireless Bluetooth 3.0 Mini Speaker with Hands Free Support for iPhone iPad Samsung Nexus HTC Laptop Tablet - Green High quality Codec IC is equipped to improve the audio quality; Noise and echo cancellation technologies are adopted to perfectly display the sound in 360 dimensions. With high-performance Li-ion cell, it is available for low power consumption mode, standby mode, sleep mode and automatically save power mode. It can play for 3 to 4 hours easily. support EDR speed up Bluetooth technology and AFP channel self-adjustment technology. A click for playing: Micro speaker is equipped to support hands-free phone calls;Your wise choice for profession when driving. Five fashionable colors are available;Colorful, Fashionable, and Stylish. Aluminum drum-shpe appearance with dynamic grooves perfectly shape its natural beauty;