Headphones
Fit for iphone and android phone (it can connect just the phone with the bluetooth)
Bluetooth version: V5.0
Effective distance: <10m
Impedance: 16 Ω ± 15%;
Frequency Range: 20~20KHZ
Charging Box Battery Capacity: 320mAh
Earphone charging time: 35mins
Charging Box charging time: 1 hours(usb charging) or 1.5 hours(wire less charging)
Using time :about 3 hours
Stand by time: about 80 hours
Auto Pop-up Edition
Features: 1. Bluetooth 5.0
2. Open the pop-up window, automatically pair, power display
3. Left and right ears freely switch
4. Low-power long-lasting battery life, music playback for 3.5 hours.
5.Binaural call for 3 hours, standby for 80 hours
6. One-button smart call siri
7. Wireless charging function (without wireless charging facility)