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Product information:
Transmission range: 1-10 meters
Function: Battery display, voice control, call function, support music, NFC function
Bluetooth protocol: 4.1
Channel: Mono
How to use: Earplug style
Whether single or double ears: Unilateral hands-free
Features:
1. Bluetooth version: V4.2+EDR
2. Transmission power: Class2
3. Wireless frequency: 2.4-2.48GHz
4. Transmission distance: 10 meters
5. Charging time: 1 hour (charging voltage 3.7V)
6. Talking/listening to music time: 2 hours (100 hours standby)
7. Applicable models are suitable for all mobile phones with Bluetooth function
