1. Louis quality, carefully manufactured. Durable, waterproof, sunscreen, dustproof, answering and other properties. 2. High-definition calls to ensure clear calls. The microphone headphone volume can be adjusted automatically according to the call environment. 3. Easy and comfortable, wireless free. Easy to carry and easy to wear. 4. Full-featured, with echo cancellation processor, noise reduction technology, waterproof and light-proof controller, long standby time. 5. Battery capacity: 180mAh 6. Standby time: 50h 7. Material: ABS 6. Weight: 1640g
