WK S9 Smat Screen True Wireless earbuds Noise Reduction Bluetooth Earphones black The headphones are lightweight and

The headphones are lightweight and comfortable

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Packing List: Watch charger manual

simple but not vulgar

It can make the brain away from the phone radiation

WK S9 Smat Screen True Wireless earbuds Noise Reduction Bluetooth Earphones black The headphones are lightweight and1. Material: ABS+PC 2. Bluetooth version: V5. 4 3. Playing time: 6h 4. Standby time: 32h 5. Charging time: about 1. 5h 6. Charging case battery capacity: 500mAh 7. Frequency response: 20Hz 20KHz 8. Rated power: 3mW 9. Drive unit: 13mmx2 10. Input: 5V 300mA 11. Headphone battery capacity: 40mAh 12. Screen size: 1. 47 inches 13. Screen resolution: 172x320px 14. ANC+ENC intelligent noise reduction, noise reduction depth 35dB 15. Intelligent LCD full