36 Hour Playtime with LED Power Display: The wireless earphones can last 6-8 hours playtime from a single charge and provides extra 30 hours playtime with charging case. The digital portion of the LED screen indicates the percentage of how much the real-time battery has left of the charging case. You can precisely control the power status of the charging box. 
 
Premium Deep Bass Stereo Sound and Crystal Clear Call: The headphones are equipped with a 13mm aperture driver, and adopts AAC/SBC audio coding technology and a unique stereo design to make the bass more powerful and the midrange full and textured. 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. 
 
IP7 Waterproof : The earphones wireless bluetooth 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. 
 
Ultra Lightweight and Ergonomic Design: The in ear headphones are small, ultra-light and comfortable. The size of the charging case is 6.1*4.8*2.3 cm, 33g. Equipped with 3 different sizes ear tips (S/M/L) giving you more choices. Each earphone weighs only 4g, the ultra-light and ergonomic design allows you to wear them for a long periods without feeling uncomfortable. 
 
The latest Bluetooth 5.3 chip, supports A2DP, AVCTP, AVRCP, AVDTP, HFP and SPP Protocol, which provides faster transmission speed, stronger connection stability and longer range of bluetooth (up to 15m).