2. Built-in 1500mAh large capacity polymer battery.
3. Low power chip, 40 hours long battery life.
4. 30 degree Ergonomic In-Ear Angle.
5. Switch left and right at will, use single or double headphones at will.
8. Smart touch function.
9. CVC8.0 noise reduction technology with silicon microphone, binaural stereo, non-destructive noise reduction.
Bluetooth solution: BLUETRUM
Receiving sensitivity: -85db
Frequency response: 50Hz-20KHz
Microphone sensitivity: -40db +/- 2db
Headphone battery capacity: 40mAh
Charging case capacity: 1500mAh
Support Bluetooth protocol: A2DP / AVRCP / HSP / HFP
Speaker unit: 10mm / full frequency
Music time: about 3.5 hours
Talk time: about 3.5 hours
Charging input: Type-C DC-5V / 450mA +/- 50mA
Charging time: about 2.5 hours
Headphone charging time: about 1.5 hours
Standby time: about 200 hours