1. Main function: 0.9cm body, painless wear, waterproof and sweatproof, 6D surround sound quality, Bluetooth 4.2, HD call, noise reduction
2. Painless wear: ergonomic ear angle, with soft skin-friendly material, giving you comfort from the inside out
3. High-quality microphone: use high-quality MEMS microphone, excellent noise cancellation, no noise
4. Standby battery life: built-in 100 mAh high-density lithium battery, standby up to 80 hours
5. Bluetooth compatible: No matter what electronic device you are, as long as there is Bluetooth, 99% of electronic devices can be used.