Low latency, Fast and Stable Connection: Our Bluetooth V5.0 headphones can fast connection to previously paired devices after power on, low power consumption is enough to let you work out all day. Music and calls tend to have 0 latency, clearer sound, more stable calls, perfect audio and video synchronization. | Amazing Audio Experience: With the dynamic drivers and CSR chip, our wireless earbuds has a truly authentic sound and powerful bass. Also these running headphones are designed with CVC6.0 noise-canceling microphone to better filter background noise and capture your voice even when answering calls while driving, biking and running. | Dual Waterproof Protection: With IPX7 waterproof rating and interior nano-coating technology, our workout headphones can effectively withstand sweat or rain, making wireless headphones functions well and safely during workout. | Up to 15 Hours Playtime: The rechargeable battery of Bluetooth earbuds supports up to 15 hours of playtime with just 2 hours of charging. Prolonging time meets your demands of continuous and enjoyable exercise. And it will show the remaining battery power of the headphones...

Special Features: High Fidelity Sound, 12 Hours Playing Time, IPX7 Water Resistant, Lightweight, Volume-Control, Sports & Exercise, Microphone Feature, Bluetooth 5.0, Hands-Free Call, Ergonomic Design Specifications: Bluetooth Standard: V5.0 Operating Range: 33 feet/10 meters Waterproof Rate: IPX7 Charging Time: 2 hours Standby Time: 250 hrs Talk/Playing Time: about 12 hours (Varies according to volume level and audio content) What's in the Box: - Bluetooth headphones x1 - Carry bag x1 - Eartips 4 pairs (L, M, S, XS), M size has been preinstalled - Micro USB cable x1 - Wire clip x1 - User manual x1