Bluetooth Headphone Knit Tuque / Hat

Frequency range: 20-20KHZ 
Sensitivity: 95DM
Transmission distance: 10M
Impedance: 32 ohm
Speaker size: 30MM
Charging time: 2H
Standby time: 24H
Listening and talking time: 10H
Battery: 180mA polymer lithium battery
Accessories: data cable + manual

Includes: hat x1, data cable x1, manual x1