Sports Stereo Hidden Bluetooth V4.1 Headset with Voice Prompt / Last Number Re-dial is durable, sturdy, and packed with great sound for your entertainment, leisure, sports, and other activities. Pair in a few seconds with your smartphone, tablet, or music player, and let your favorite music drive you forward. With its good Bluetooth transmission technology, you can enjoy the purest high-fidelity music and sound. With 4 hours of play time and sweat-proof design, you can take it for a good work out, knowing the headset will remain stable as you sweat it out. Rather convenient and practical!<!--Features --><p>FEATURES</p><ul><li> Bluetooth V4.1</li><li> Portable lightweight and sweatproof design</li><li> Be compatible for all cell phones, tablet PCs and other Bluetooth devices.</li><li> Built-in microphone</li><li> Built-in rechargeable Li-ion battery</li><li> Clear bass resonance, CVC wind noise reduction, and superior sound isolation</li><li> Support last number re-dial, incoming call number report and voice prompt</li></ul><!--Specifications --><p>Specifications</p><table width="100%" border="0" cellpadding="0" cellspacing="0"><tbody><tr><td width="131"> Material</td><td width="365"> Plastic</td></tr><tr><td width="131"> Quantity</td><td width="365"> 1 Set</td></tr><tr><td width="131"> Connection</td><td width="365"> Bluetooth</td></tr><tr><td width="131"> Bluetooth Version</td><td width="365"> Bluetooth V4.1</td></tr><tr><td width="131"> Operating Range</td><td width="365"> Within 10m</td></tr><tr><td width="131"> Headphone Style</td><td width="365"> Unilateral</td></tr><tr><td width="131"> Applicable Products</td><td width="365"> Smartphone and Tablet PC with Bluetooth Function,Universal</td></tr><tr><td width="131"> Headphone Features</td><td width="365"> Sports & Exercise,Invisible Style, English Voice Prompts,Long Time Standby,With Microphone,Lightweight,Portable</td></tr><tr><td width="131"> Battery Type</td><td width="365"> Li-polymer Battery</td></tr><tr><td width="131"> Built-in Battery Capacity</td><td width="365"> 70mAh</td></tr><tr><td width="131"> Standby Time</td><td width="365"> 200Hours</td></tr><tr><td width="131"> Talk Time</td><td width="365"> 6Hours</td></tr><tr><td width="131"> Music Play Time</td><td width="365"> 4Hours</td></tr><tr><td width="131"> Power Adapter</td><td width="365"> USB</td></tr><tr><td width="131"> Dimensions</td><td width="365"> (1.14 x 0.79 x 0.67)" / (2.9 x 2 x 1.7)cm (L x W x H)</td></tr><tr><td width="131"> Weight</td><td width="365"> 0.18oz / 5g</td></tr><tr><td width="131"> Color</td><td width="365"> Black </td></tr></tbody> </table><!--Package Includes --><p>Package Includes</p><ul><li>1 x Headset</li><li>1 x USB Charging Cable (20cm)</li><li>1 x Carrying Pouch</li><li>1 x English / Chinese Manual</li></ul><!--Extra Info --><!--produts_compatibility -->