Moxom 4 ENC Mics TWS Wireless Earbuds MX-TW53 Black

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