Powerful features: Touch-Control design, easy to use, phone calls and control music play by one button. deal for in car calling and friends chatting, play games or working use.Super mini design: suitable for both ears, mini design make you comfortable and protect your ears when using, Smaller and More Invisible.High quality sound: Built-in HD and Sensitivity microphone, the hands free headset is ideal for in car calling and friends chatting, play games, or working use. This best headset owns better cancellation, noise suppression and stablesignal.Longer music/talk time: the wireless earpiece with built-in rechargeable lithium-poly 40mAh battery, last for 5 hours of audio under 100% volume, 5 hours talktime, 100 minutes charging time. Long Endurance of 3 Days Play-time（With Charging Bin）.BLUETOOTH 5.3 & EDR TECHNOLOGY- Compatible with all Bluetooth-enabled devices. Instantly connected to your smartphone or tablet from up to 33 feet away（10M).Details: Bluetooth Standard: V5.3+DSROperation Range: <10mTalk Time: about 5 HoursMusic Time: 5 Hours Standby Time: 100 Hours Charging Time: 40 minutesCharging Voltage: DC/5V1 x A pair of headphones1 x Charging bin1 x USB data cable1 x Instructions