Awei T61 Wireless Bluetooth ENC Earbuds

Awei T61 Wireless Bluetooth ENC Earbuds Feature: Cost-effective model, dual ENC microphone Chip version: 5.3 (Jieli 6973D4) Battery capacity of earbuds: 35mAh*2 Battery capacity of charging case: 300mAh Diameter of horn: 13mm Play time: 6h Talk time: 5h Depth of noise reduction: ?35dB Specification: Bluetooth version: 5.3 (Jieli 6973D4) Supported protocols: a2dpavctpavdtpavrcphfpsppsmpattgapgattrfcommsdpl2cap profile Battery capacity of earbuds: 35mAh * 2 (with protective IC but protective plate) Battery capacity of charging case: 300mAh (with protective plate) Diameter of drive units: 13mm Charging time: about 1h Talk time: 5h Play time: 6h Standby time: 300h Sensitivity of horns: 115?3dB at 1KHz Impedance of horns: 32??15% at 1KHz