Functions: Function 1: It can be used as a speaker for your tablet PC or computer when you are playing games, watching films or listening to music; What's more, due to its water resistant function (Do not drop the speaker into the water!), you can enjoy hands-free music and phone calls in the shower room without worries about bringing any damage to your phone. Function 2: Its mini size, buttons designed and built-in microphone make it very convenient for you to use it in your car. You can enjoy hands-free phone calls and music in the car, making your driving or trip more elegant and safer. Function 3: If stuck to your smart phone or tablet PC with its powerful suction cup, the speaker can be used as a holder and offer you a nice and comfortable angle to use your devices. Parameters: 100% Brand New Color: Black, Pink, Green, Yellow, Blue Speaker Size: approx. 85 x 45mm / 3.35 * 1.77in (Dia. x H) 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 Output: 3w S/N Ratio: >75db Distortion: Features: Support Bluetooth & Wireless Transmission. Built-in microphone allows hands-free call. Adopt high quality audio decode chip to let you experience the perfect sound quality. Built-in charging battery and built-in high sensitivity microphone enable you to listen to music any where. With unique waterproof design, it can be used in bathroom, sand beach and swimming pool. While leisure, you can relax and enjoy wonderful music. The suck at the back of iPad or other tablets becomes a stand. A special suction cup design allows it to be sucked on any flat surface including desk, wall and window. It is suitable for car, bedroom, wash room, kitchen, office, conference, business trip, vacation and etc. Package Content: 1 x Waterproof Bluetooth Speaker 1 x USB Charging Cable 1 x Using Manual