Wireless Earphones TWS Earphones 8D Stereo Waterproof Earbuds Bluetooth-compatible Sports Headsets With Microphone Charging Case
-Model: F9-5C TWS Earphones
-Color: black, white
-Charging voltage: DC 5V
-Microphone sensitivity: -42db
-Working temperature: -10-50°C
-Frequency response range: 20-20000Hz
-Sensitivity: 120db +/- 5db
-Transmission distance: 10m
-Charging time: about 1 hour
-Listening time: about 4-5 hours
-Cumulative battery life: about 220 hours
-Earphone battery capacity: 50mAh
-Charging box battery capacity: 2000mAh (actually about 1200-2000mAh)
-True wireless stereo, HIFI sound.
-Supports Binaural Calls -Both the left and right ears have full Bluetooth-compatible functionality and can be used individually or in pairs.
-Dual mode Bluetooth-compatible, ultra low power consumption.
-Bluetooth-compatible transmission distance: 10 meters barrier free.
-Listening to song time: about 4-5 hours