Bluetooth version: 5.2 6973D2 
Product color: White 
Battery capacity: 30mah headset 200mah 
Horn specification: F13 real copper ring horn 
Transmission distance: 10 meters 
Duration: About 4h 
Charging time: 1h 
Connection distance: > =10m 
Bluetooth frequency: 2.4GHZ 
Frequency response: 20Hz-20KHz 
Operation mode: touch control