Model: ANC-686
Chip:Airoha AB1562F BT 5.2
Port:Type-C
Battery: with 40mAh Li-poly battery x 2+Base battery: 500mAH
Play time: 4.5 hrs at 100% volume ANC off, 4 hrs at 100% volume ANC on
Product superiority: 10 minutes charge = 2.5 hrs play time, full charge 50 minutes