OPPO Enco Air 4 Pro TWS Earphone Noise Cancellation Earbuds For Find X7 Ultra UK

Charging input (single earphone): 5V 0.2A. Size (earphone): 29.99 20.30 23.87mm. Microphone sensitivity: -38dBV/Pa. Speaker sensitivity: 112 ± 3dB@1KHz @1mW. Bluetooth effective distance: 10M. FeaturesActive Noise Cancellation, Wireless.

eBay