Bluetooth Version: V5.0
Support Bluetooth Mode: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5
Frequency: 2.402-2.480GHZ, 2.4G ISM band
Frequency Response: 20 Hz - 20 KHz
Signal to Noise Ratio (SNR): 70Db;
Total Harmonic Distortion Rate (THD) 0.1%
Power Indicator: Red and blue lights alternately flashing
Headset Charging: rechargeable 400MAH lithium battery
Charging Port: Mini 5-pin USB charging interface
Normal Charging Time: 2.5 hours
Talk Time: up to 10 hours
Standby Time: up to 20 Days
Operating Temperature: -20℃ - 55℃