Doubc Wireless Earbud, Bluetooth 5.1 Headphones with CVC 8.0 Noise Cancelling, Deep Stereo Bass, Built in Mic and 50H Playtime, Sports Running Earphones with Earhooks for Gym, Workout.

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Bluetooth V5.1 Technology：Doubc Bluetooth earbud are equipped with a Bluetooth 5.1 technology chip, the connection distance is increased (approximately 15m) and low latency. Take out the Doubc sports earphones from the charging box, they will automatically turn on and pair with each other.
Designed for sport：Doubc wireless earphones use an ergonomic and flexible ear-hook design, so that your running headphones will not fall during strenuous exercise such as running or cycling. With gel flexible silicone ear caps, you can ensure that your earphones fit your ears comfortably and isolate external noise.
Immersive Sound and Noise Reducation: Doubc wireless running headphones use a 10 mm dynamic driver to provide excellent sound quality and strong bass. The built-in cVc8.0 noise reduction microphone provides 3 times clearer call quality than other wireless headsets.
50 Hours Playtime with Charging Case: Built-in 400 mAh battery, with self-developed power saving technology and Type-C fast charging, the wireless headphones can achieve up to 8 hours of playback time after 1.5 hours of charging. With the help of the charging box, it can provide 50 hours of battery life for the sport headset.
IPX7 Waterproof: Doubc I22 running earphones have a IPX7 waterproof rating, which can withstand liquids in any weather, especially when sweating during exercise, without being affected, Its waterproof feature is your best partner during sweaty workouts.