Features: Support Bluetooth & wireless transmission. Built-in microphone allows hands-free calls. Adopt high quality audio decode chip to let you experience the perfect sound quality. Built-in charging battery and built-in high sensitivity microphone. With unique waterproof design, it can be used in bathroom, sand beach and swimming pool. While leisure, you can relax and enjoy wonderful music.
Specifications: Speaker Size: 85 x 45mm Bluetooth: V 3.0 + EDR Range: 10 meters Transmitting Frequency: 2.4G HZ Power Supply: DC5V/100-120mA Battery: 3.7V 400mAh lithium battery Charging Time: approx. 3 hours Operating Time: approx. 6 hours IP Grade: IP x 4 Frequency Response: 100HZ-20KHZ