1. Speaker: 32 ohms 0.05 watts 2. Battery: 150 mA 3. Battery: 3.7V 4. Charge for 2 hours, listen to songs for 8 hours 5. Soft and comfortable, breathe and breathe, improve sleep. 6. Support music playback and answer incoming calls. 7. Naturally fit the bridge of the nose and increase the shading effect. 8. The meticulous hemming process, streamlined design.
