Features:
Bluetooth 5.1 for wide compatibility with various devices
CVC8.0 intelligent noise reduction for HD calls
Touch operation for answering/rejecting/hanging up calls and controlling music playback
Bluetooth automatic reconnection for convenience
Comfortable to wear for extended periods of time

Specifications:
Bluetooth Version: V5.1
Communication Distance: 10M
Transmission Frequency: Class2
Charging Voltage: Dc 5V
Working Voltage: 3.7V
Battery Specification: 35 mah (Earphone)/135 mah (Battery Box)
Charging Time: Approximately 2 Hours
Listening Time: Approximately 5 Hours
Talk Time: Approximately 5 Hours
Standby Time: Approximately 180 Hours

Package Includes:
1 x F5 Pro Cvc8.0 Noise Reduction Unilateral Bluetooth Earphone Black