Bluetooth Wireless Earphones with Noise Reduction & Power Bank

F9 Wireless Earphones Bluetooth TWS LED Display Binaural Headset Waterproof HD Calling CVC 8.0 Noise Reduction Headphones Also works as a Power Bank to recharge other devices (Phone, etc.) Communication distance: 10m (under accessible conditions) Standby time: approximately 160h Single earphone capacity: 50mAh Bluetooth version: 5.2 Noise reduction version: CVC8.0 Music call time: approximately 3-4 hours (default startup volume) Charging compartment capacity: 1200mAh Universal functions: music playback/pause, binaural calls, intelligent noise reduction