150 Hour Playing Time and Portable Charging Case: Donerton headphones wireless bluetooth built-in low power chip and battery case, whic can play for 5-7hrs on a single charge and the charging case can provide extra 145hrs playback. The charging case can not only charge the headset, but also turn into an emergency power bank, providing one day power for your phone. When you are in a hurry, simply charges 10 minutes and gets up to 1 hour of playtime. Design for Sports, Secure Fit Your Ears: Donerton earbud wireless are compact and ultra-lightweight, as light as a piece of A4 paper, which is perfect for workouts, runs, sports and gaming. The internal assembly structure of the wireless earphones is optimized to ensure a comfortable and secure fit. Even do strenuous exercise, the earbud will not fall off. Premium Stereo Sound and 4-Mics Noise Reduction: Donerton wireless earbud bluetooth adopt 10 mm composite diaphragm and HiFi driver, ultra-thin elastic diaphragm and unique stereo design, which create a rich high-fidelity sound experience. Earphones bluetooth wireless built-in high quality 4 microphones with noise cancellation for you to enjoy crystal-clear hands-free calls and voice assistant in noisy circumstances. IP7 Waterproof: Waterproof headphones are made of high quality waterproof materials. It is durable enough to endure everything from sweat to all water activities. Running headphones and case even can be washed by water and soap. Donerton waterproof earbud will make an ideal companion while swimming, jogging, yoga, sports, gym, cycling etc. One Step Pairing and Smart touch Control: Pick up 2 earbud from charging box they will connect each other automatically, then only one step easily enter phone bluetooth setting to pair the earbud. Donerton headphones bluetooth features with touch control sensors. You can answer calls, play / pause music, adjust volume, switch songs and activate voice assistant with just a touch of your wireless bluetooth earbud. Free your hands completely when you’re busy doing exercise, driving or running.