This is a TWS wireless bluetooth earphone with stereo sound. Wireless in real sense.<br /><br />Feature:<br />1.Flexible， light weight， comfortable fit and durable design. Best choice when you do sports.<br />2.Adopt true wireless technology， enjoy your wireless sports.<br />3.Double-ear main and subsidiary earpiece design， innovative and excellence.<br />4.Intelligent charging box provides fast charge， worry free for endurance.<br />5.Strong compatibility and compatible with devices as long as they are Bluetooth support.<br /><br />Usage:<br />1.Long press the power button about 3-5 seconds till you see the indicator light flashes blue and red alternately.<br />2.Set your phone into Bluetooth mode， and search the device named.<br />3.Click to pair with the Bluetooth headset.<br /><br />Specification:<br />Item Type: Bluetooth Earphone <br />Color: Black/ White/ Red/ Gold/ Rose Gold<br />Model: TWS<br />Bluetooth Version: V4.2+EDR<br />Music Playback/ Phone Call Time: About 2-3 hours<br />Standby Time: About 96 hours<br />Charging Time: About 1 hour<br />Working Voltage: 3.0V-4.2V<br />Sensitivity: -42db±2db<br />Distance: About 10m(33 feet)<br />Profiles: A2DP/AVRCP<br />Compatibility: Bluetooth Support Devices<br /><br />Package Included:<br />1 * Pair Bluetooth Earphone <br />1*Charging Case<br />1*Usb Cable<br />1*Manual <br />1*Box<br /><br />Fast Shipping and Delivery!!!<br />Any doubts or questions， Please feel free to contact us in time. If you are satisfied with<br />our products， please give our five star positive feedback and review. If not， contact us，<br />we will try our best to solve problems for you. Wish you happy everyday!