Touch- Control Wireless Noise Reduction Headset Bluetooth 5.1 HIFI TWS- Colorful Light Headset Features: Powerful features: Touch-Control design, easy to use, phone calls and control music play by one Touch-field. deal for in car calling and friends chatting, play games or working use Take out the earphone to automatically start / pair, and put it back into the charging compartment to automatically shut down 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 5.1 compatible with all bluetooth-enabled devices. Instantly connected to your smartphone or tablet from up to 33 feet away（10m). Longer music / talk time: wireless headset with built-in rechargeable lithium polymer battery can be used continuously for up to 6 hours at 100% volume Product Description: Bluetooth Standard: V5.1 Operation Range: