Very easy to use built-in microphone and convenient speakerphone Volume up / Volume down / fast forward (skip) / Backward / Pause / Play / Power buttons</br>6 hours of playback time 120 hours of standby time 10M transmission range applicable for iPhone iPad tablets smartphones iPods MP3 MP4 and any other Bluetooth players</br>Easy access to Handfree Talking / Volume up / Volume down / fast forward (skip) / Backward / Pause / Play / Power buttons.</br>Water resistant loud speaker and built-in mic for both outdoor and indoor use</br></br>Product Description</br></br>This multi-function mini waterproof speaker with built-in microphone is really very useful in your daily life which can work with any devices with the Bluetooth Function such as Smartphone Tablet PC Laptop PSP DVD TV Computer. <br> This unique portable speaker is really a great festival gift such as Christmas Gifts for yourself families and friends you will love it Don't miss it Buy it Now! <br> <br> Specification: <br> <br>1 Wireless Technology: Bluetooth 3.0 + EDR <br>2 Transmitting Frequency: 2.4G Hz <br>3 Transfer Range: 10M (the distance depends on the blu"tooth device and environment). <br>4 Power Supply: DC 5V/ 100-120mA <br>5 Output: 3W <br>6 Battery: 3.7V 400mAh lithium <br>7 Charging Time: 3 hours <br>8 Working Time: 6 hours <br>9 IPx4 Grade Waterproof <br>10 Dimenis