Model: SH-723ANC
Chip: Bluetrum 5632 BT 5.3 ANC+ENC TWS earphone
ANC depth: 22~25 dB
Battery:with 40mAh Li-poly battery x 2+Base battery: 230mAH
Play time: 3.5hrs at 100% volume ANC on, 4hrs at 60% volume ANC on
Product superiority:10 minutes charge = 2.5 hrs play time, full charge 50 minutes