Touch-Control Wireless Earphones ANC In-ear Earbuds Bluetooth 5.1 Hi-Fi TWS-HeadphonesFeatures: Powerful features: Touch-Control design, easy to use, phone calls and control music play by one Touch-field. deal for in car calling and chatting, play games or working use comfortable and your ears when using, Smaller and More Invisible. Mixture active noise reduction - equipped with a new noise reduction chip, it brings powerful noise reduction computing power, monitors internal and external noise in real time, and intelligently generates the opposite signal to cancel, effectively eliminating external environmental noise and low-frequency noise. BLUETOOTH 5..2 Compatible with all Bluetooth-enabled devices. Instantly connected to your smartphone or tablet from up to 50 feet away15m). Longer music / talk time: wireless headset with built-in rechargeable lithium polymer battery can be used continuously for up to 3-4 hours at volumeProduct Description:Bluetooth Standard: V5.2Operation Range: <15mTalk Time: about 3-4 HoursCharging Voltage: DC/5VCharging box battery capacity:200mAhMaterial: ABSPackage includes:1 x A pair of headphones1 x USB data cable1 x Instruction