Product details of Wiresto TWS Wireless Earbuds Bluetooth V5.0 F9 Headphones Headsets Earphones for iPhone Android TOUCH CONTROL:Touch design,very convenient.Only need your finger,you can answer and hang up the phone; play/pause operation; volume adjustment; previous and next song switching; SIRI voice wake up, you can be safer if you want to call or listen to music while driving CVC 8.0 NOISE CANCELLING:CVC 8.0 noise reduction can making for crystal clear voice transmission to diminish background sound and provide a superior listening experience,makes you focus on what you want to hear,enjoy your music, movies and videos IPX5 WATERPROOF: The multi-step process is strictly designed to prevent rainwater from entering the inside of the earphone and damage the components without fear of rain and sweat,so you can enjoy the sports without worrying about your sweat PORTABLE POWER BANK: The magnetic charging box built-in 2000mAH b-attery to ensure reliable charging of earplugs. Wireless Charging Case earplugs with full electricity can continuous play the music for 3 hours.You can also use the charging box to charge your smartphone when the power is off. Please Note: Our products will go through a quality check to ensure that the headset is of perfect quality, but it will never damage the product packaging. Please rest assured to buy. When using the headset, please ensure that the signal in the environment is good, and remember to turn on the headset volume and charge in time.If you have any problems, please contactthe store customer service for the first time. We mustgive you a satisfactory after-sales service