IPX7 waterproof - these true wireless earbuds against damage from sweat or rain : It won’t get in the way of enjoying sports, music and calls. Perfect for fitness travelling and etc. Note: the charging case is not waterproof. Snug fit - ergonomic designed to fit comfortably in your ears for active lifestyle, SGNics Stereo headphones comes with three adjustable ear cup sizes right from the box, you can focus on reaching new heights in your workouts. (For Apple iOS SIRI Voice Assistant / Google Assistant etc compatible) HD sound quality: Using CVC8.0 and DSP dual noise reduction technology, binaural calls are as clear as face-to-face talks. HiFi high-fidelity sound effect: dynamic unit design, good audio analysis, no distortion of details, excellent immersive listening experience. SIRI Voice Assistant: Long press for 2 seconds to call the voice assistant, which is convenient and quick to talk with your personal assistant. Check the weather, ask for navigation, make a phone call. 3D touch: The headset has a built-in high-sensitivity touch panel, which can intelligently recognize your intentions by lightly touching and quickly complete a variety of operations. Parameter: Product model: M10 Bluetooth version: V5.1 Noise reduction version: CVC8.0 Working distance: Connect within 10 meters Single ear capacity: 50 mA Charging bay capacity: 2000 mA Automatic boot: Yes Automatic pairing: Yes Endurance time: 220 hours accumulatively (need to be used with charging bay) Talk time: about 180 hours accumulated (need to be used with charging bay) Headphone charging: about 40 times Charging bay input current: 5V1A Magnetic absorption function: magnetic absorption and nano charging Control method: touch operation Package Including Bluetooth headset pair + Charging compartment 1