Waterproof and sweatproof design for worry-free use during sports activities. Bluetooth-compatible with 5.3 chip for faster speed, clear sound quality, and low power consumption. 360-degree bendable and strong material for durability and comfort. LED screen displays power level for easy monitoring of battery life. Automatic pairing at startup and multiple functions for convenient and hassle-free use. Item Name: Sport Earphone Material: PC, ABS Earphone Type: Hanging Neck In-Ear Noise Reduction: Active Noise Cancellation Playback Control: Yes Bluetooth-compatible Version: 5.3 Battery Capacity: 280mAh Battery Life: 18h Features: Wireless, LED Digital Display, Hanging Neck Size Details: L: 18cm/7.09", W: 14.5cm/5.71", H: 2cm/0.79" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Sport Earphone 1 x Data Cable 1 x User Manual