MeshTech Bluetooth Earbuds v4.1 Wireless Headphones, Noise Isolation SweatProof Earphones for Gym and Workout Compatible IOS / Android RANGE: Instant, energy-efficient, cable-free connection for reliable audio streaming from almost any device at a range of up to 10m. NOISE CANCELLING: CVC 6.0 Noise Cancelling Microphone reduces outside noises, enable clearer microphone sound. BATTERY LIFE: Long Battery Life, Fast Charging: Up to 3 hours talk time/music time, it takes only less than 1 hour to charge your phone. ALL YOU NEED: Built for your active lifestyle,value, optimized for ultimate wearing comfort to match your active lifestyle, like running, jogging