4 ENC mics
ENC noise reduction: maximum -45DB
Rotating charging case (mechanical feel with decompression)
Wireless chip:AD6973D4
Wireless version: 5.3
Operation range: ≤10M
Supported protocols: HSP HFP A2DP AVRCP
Battery capacity of earbuds:30mAh*2 (with protection board)
Battery capacity of charging case:250mAh (with protection board)
Speaker power:3mW
Charging time: 1.5h
Talk time: 3h
Music time: 4h
Standby duration: 50h
Horn impedance:32Ω
Standard input voltage:DC 4.8-6V
Frequency response range: 30-15KHz
Charge port:Type-C