Features: 1. Wireless Mini Speaker 2.Support Bluetooth & Wireless transmission. 3.Built-in Microphone, enjoying hand-free call. 4.Adopt high quality audio decode chip ,let you experience perfect sound quality. 5.Built-in charging Battery and Built-in high sensitivity Microphone, listening music

Features: 1. Wireless Mini Speaker 2.Support Bluetooth & Wireless transmission. 3.Built-in Microphone, enjoying hand-free call. 4.Adopt high quality audio decode chip ,let you experience perfect sound quality. 5.Built-in charging Battery and Built-in high sensitivity Microphone, listening music  any where. 6.Unique water-proof design,using in bathroom, sand beach, swimming pool. While  leisure, you can relax and enjoy wonderful music. 7. Suck on back side of iPad or other tablet become a stand. 8. Special suction cup design, could sucked on any flat surface including desk, wall,  window. 9. Suitable for car, bedroom, wash room, kitchen, office, conference, business trip,  vacation etc.   Specifications: Bluetooth support: V 3.0 EDR Range: 10 meters Transmitting frequency: 2.4G HZ Power supply: DC5V/100-120mA Battery: 3.7V 400mAh lithium Charging time: approx. 3 hours Operating time: approx. 6 hours IP grade: IP x 4 Frequency response: 100HZ-20KHZ Output: 3w S/N Ratio: >75db Distortion: <1.0% Weight: 197g Speaker Size: 85*85*45mm