1. Bluetooth 5.0, Powerful Performance: Equipped with a newly upgraded Bluetooth 5.0 chip, it offers stable transmission, wide compatibility, and solutions for low power consumption and low latency. 2. IPX7 Waterproof and Sweatproof: Featuring a closed and fully enclosed component system, along with a nano - level waterproof isolation coating on the speaker, it can withstand rain and sweat. 3. Built - in 32G Memory, Supports MP3 Playback: It can store 3000 songs. Download your favorite music and enjoy a more relaxed experience of listening to music and exercising without your phone. 4. 15 - hour Music Playtime, Long Battery Life: With a built - in high - capacity and high - performance lithium battery, it can play continuously for about 15 hours. 5. Lightweight and Comfortable: The earphone head weighs only 18 grams, providing a lightweight and comfortable experience without restrictions during exercise. 6. Open - style Earbuds, Open Listening: While listening to music, you can perceive danger signals in the surrounding environment, making outdoor activities safer. 7. Open - style Earbuds, No Harm, No Pain: Even with long - term use, there's no need to worry about ear pain or bacterial growth. Specifications: - Bluetooth Version: V5.0 - Waterproof Standard: IPX - 7 - Chipset: JL6936D - Charging Time: 2 hours - Playback Time: Can play for 13 hours at 60% volume - Hands - free Call Time: 13 hours - Standby Time: 32 hours with MP3 function enabled, 72 hours with MP3 function disabled - Battery Capacity: 120 mAh Package Contents: - 1 pair of open - style wireless earphones - 1 Type - C charging cable - 1 user manual in both Chinese and English