M21 TWS Bluetooth 5.2 Earphones HD Stereo Sound Touch Controlled Headphone Mini Running Sports Headset with 200mAh Charging Case

• Bluetooth 5.2 connectivity and ultra-low latency keep synchronized with audio and video, convenient to keep in contact with your teammates all the time
• Adopting the intelligent noise reduction design, provides 360-degree stereo bass HiFi sounds quality
• Mini size & lightweight, easy to carry, automatically connecting 
• With the 200mAh charging case, you can charge the headphones on the go, providing a long standby time
• Touch control, easy to touch the earphone to play music, answer phone calls, etc 
• Waterproof design, no fear of damage by rain or sweat
• Great for running, hiking, cycling, car driving, business occasion, etc, enjoy the superb music

Specification:

• Main control chip: BLUETRUM
• Bluetooth chip: AB5616
• Waterproof level: IP4
• Compatible system: iOS, Android, Windows
• Main features: true wireless, binaural calls, high-fidelity stereo music playback; magnetic charging, easy to use; easy to operate; one-touch callback function; storage charging case, long working time
• Battery type: lithium polymer battery
• Headset battery capacity: 35mAh
• Charging case battery capacity: 200mAh
• Charging method: charging case: USB cable charging; headset: magnetic charging
• Headset charging time: about 60 minutes
• Charging case charging time: about 2 hours
• Headset working time: about 3 hours
• Charging times by charging case: about 3 times
• Operation mode: touch control
• Firmware language: neutral English
• Appearance material: ABS