Transparent Semi-In-Ear Stereo Touch Waterproof Noise Reduction Bluetooth Earphones, Color: Black

Features:1. HIFI sound effects, high-definition calls2. Semi-in-ear design, comfortable to wear3. Graphene diaphragm unit NdFeB speaker, 6D stereo surround sound4. Bluetooth 5.0, stable and effective transmission, reducing loss5. Low power consumption, stable connection and lower delayProduct parameters:1. Bluetooth solution: 5.02. Transmission distance: 10 meters3. Speaker: 16 centimeter speaker4. Charging interface: Type-C5. Input voltage: 5V-1A6. Headphone battery capacity: 40mAh7. Charging box battery capacity: 250mAh8. Standby time: 120 hours9. Music time: 4 hours10. Charging time: about 1 hour11. Waterproof grade: IPX512. Charging box size: 4.7 x 5 cm13. Headphone size: 1.7 x 3.25 cm