Firstsing TWS Mini Wireless Ear Earphone Stereo 4.2 Bluetooth Headset for IOS Android
Impedance:7MM 32 OHM
Working temperature:10-15 ℃
Playing time:1-2 hours
Standby time:100 hours
1.Listening to music:
Be sure the earphone connected with your mobile phone, then you can listen to music on your music list. Shortly press the power button to stop the music and replay by press again.
Long press the power button until led in red when not use, the Bluetooth device enter off mode. It would be power off automatically when the earphone away from your Bluetooth device over 5 minutes. Do not need to worry power exhausted.
Fully charged the battery in 80 minutes. There is reminding sound when battery is low, and the led would flash in red at the same time. When taking charge, the led would be in red, and turns in blue when fully charged. Note: the earphone would be forced shut down when charging even if they are power ON before charging.