1. Long battery life: The M41 wireless Bluetooth headset uses a high-capacity battery, which can provide up to 3-4 hours of playback time, so that you can enjoy the music world without frequent charging. 2. Low-power design: Advanced low-power chip built into the headset effectively reduces energy consumption, so that the headset in long-term use of the battery life is longer, extend the use of time. 3. Powerful noise reduction effect: M41 headphones use metal mechanical noise reduction technology, which can effectively reduce the interference of surrounding noise, so that you can immerse in clear and pure music, providing a better hearing experience. 4. In-ear design: The earphone adopts ergonomic design, lightweight and comfortable, fits the ear, and is not easy to fall, which can effectively isolate external noise and let you focus on music enjoyment. 5. High quality sound quality: M41 headphones are equipped with hi-fi audio decoding technology to provide excellent sound quality performance, deep bass and clear treble, so that you can enjoy the details and fun of music. Product model: M41 Bluetooth compatible version :V5.3 Package size :10*11*4cm/3.94*4.33*1.57 inches Headphone battery capacity :40mAh Charging case battery capacity :500mAh Net weight per pack: 120g Standby time: about 180 hours Impedance: 32Q Rated input :5V Horn size :8mm Frequency response :20Hz-20KHz Transmission distance: about 20 meters Charging interface: TYPE-C Indicates the interface Control mode: Intelligent touch Noise reduction version :cVC8.0 With lightweight fingerprint touch design, switching is easy,Enjoy the fun moment Upgrade Bluetooth 5.2 chip, longer battery life and more power saving, low latency game, real-time synchronization of the battlefield, entertainment touch easy and excellent Acoustic instrument check, delicate sound hidden in the earphone sound three-dimensional tension, details restore more clear, beautiful music is refreshing Multi-process design earphone body, to achieve life grade waterproof, not afraid of rain and sweat soaked Large capacity lithium battery charging cabin, lasting battery life can not only charge headphones, but also charge mobile phones Get rid of the embarrassment of a dead phone Include: 1 pair earphones 1pcs charging case 1pcs instruction manual 1pcs charger cable