RT49E

Earbuds Battery: 30mAh

Charging case battery: 400mAh

Speaker diameter: Ø13mm

Speaker output power: 3mW 16ohm

Speaker Frequency Response: 20Hz-20kHz

Input (station): 5V/300mA

Stand by time: 180 days

Charging time (earbuds): 1.5H

Charing time (station): 2H

Playing music time: 4.5H

Reach up to: 10 meters

Weight( charging case and earbuds): 31.9g