Tune 230 NC TWS Wireless Headphones, Bluetooth, Waterproof and Tuned Welcome to our store! Pure tone base: Wireless Bluetooth headphones with a 6 mm driver, designed in In-ear format, combine comfort and pure tone base with deep bass. The active elimination of intelligent ambient noise avoids external noise that distracts your attention by paying attention to your environment. Talkthru allows you to chat without removing headphones Battery life (up to 40 hours and 8 hours, reduces noise) allows you to enjoy music / 10 minutes of charging is enough to extend the battery by two hours Due to its resistance to IPX4 water and sweat, headphones can withstand splashes or showers. These four microphones enable hands-free calls in stereo Delivery: 1x Bluetooth wireless headphones 230 NC TWS/1x charging box/1x USB charging cable C/3x ear pads/1x quick start guide -40 hours battery, black High quality