SD-1633

 

30mm driver unit

frequency response: 20-20,000 Hz
impedance: 32 ohm
bluetooth version: 5.0
bluetooth range: up to 10 m (33 ft)
battery charge time: 4.2V/1A about 60 min
talk time: 7-8 hours
play time: 7-8 hours

 

color

 

 

 

 

 

Touch switch Bluetooth