Blue String Ear True Wireless Earphone Genie True Stereo Bluetooth Auto-Sensing Earphone

Product information:
Transmission range: 10 meters
Function: battery display, call function, music support, multi-point connection
Bluetooth protocol: 5.0
Channel: stereo
How to use: Earplug type
Single or dual ear: Bilateral stereo
Colour: Black
Bluetooth version: 5.0
Frequency range: 2.4GHz-2 48GHz
Support protocol: A2DP, AVRC, HSP, HFP
Frequency response range: 20Hz-20KHz
Standby time: about 1000 hours
Music/talk time: about 5-6 hours
Charging time: about 1 hour for earphones, about 2 hours for charging box
Input voltage/current: 5V/>100mA
Output power: 7mW+7mw