Model: i11 max 5.0
Bluetooth Version: 5.0+EDR
Distance: 12M
Playing time; 1.5-2Hours
Standby time: 100H
Earbud battery: 35mAh
Charging box battery: 350mAh
Charging time: 1H
Frequency: 2.402-2.480GHZ
Single package size: 10X10X5 cm