tem Name: Wireless Earphone
Material: ABS
Model: F9-5C
Bluetooth Version: 5.0
Protocols: HFP 1.7/HSP 1.2/A2DP 1/AVRCP1.6/SPP 1.2/PBAP 1.0
Charging Voltage: DC 5V
Microphone Sensitivity: -42Db
Working Temperature: -10-50 Degree Celsius
Frequency Response Range: 20-20000Hz
Sensitivity: 120dB +/- 5dB
Transmission Distance: 10m
Charging Time: about 1 Hour
Cumulative Work Time: about 220 hours (with Fully Charged Charging Box)
Earphone Battery Capacity: 50mAh (Included)
Charging Box Battery Capacity: 2000mAh (Included)
Features: Rechargeable, Portable, Smart Charge
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