2023 Latest Bluetooth 5.3 and Stable Connection: The bluetooth headphones are equipped with the latest Bluetooth 5.3 chip, supports HFP, A2DP, AVRCP and HID Protocol, which provides faster transmission speed, stronger connection stability and longer range of bluetooth(Up to 15m). You will experience a smoother and clearer music playback and conversations than ever with no more worries about signal loss or music dropouts. Dotn bluetooth earbuds makes life and work more easy..Comfortable Earhook Original Designed for Sport: Wireless ear buds use an ergonomic and flexible ear-hook design, so that your running headphones will not fall during strenuous exercise such as running or cycling. Uniquely built for sports and other outside activity. Equipped with 3 different sizes ear tips(S/M/L) giving you more choices. Zero worry for all kinds of outdoor sport activity. These are the over ear earbuds you've been looking for..Premium Stereo Deep Bass Sound and Crystal Clear Call: A tiny yet powerful 10mm driver unit sits inside the bluetooth headset, which makes the bass more punchy and the midrange full and textured. The unique stereo sound quality and design gives you the perfect sound, and you can feel the more realistic music. The built-in mic in each earbuds utilizes call noise cancellation to ensure clear and realistic sound. It will allow you to enjoy high-quality conversations anytime, anywhere..40 Hour Playtime and LED Power Display: The wireless earphones can last 8 hours music time from a single charge and provides extra 32 hours playtime with charging case. With UCB-C quick charge, it only takes 1hr to charge the changing case. The digital portion of the LED screen indicates the percentage of how much the real-time battery has left of the charging case. (Note: Please fully charge it for the first use. If used for calls, the earbuds only lasts 4-5 hours.).IP7 Waterproof and Powerful Compatibility: Waterproof headphones are made of IP7 high quality waterproof materials, multi process design headphone body, high specification waterproof test. Bluetooth earphones pair with smart devices via Bluetooth, which works with Android 4.4 or iOS 8.0 and above, Bluetooth 4.0 and above. NOTE: Please wipe the metal parts of the headphones with a dry cloth after exercise to avoid corrosion by sweat. The charging case is not waterproof.