RT37E

Earbuds Battery: 40mAh (support fast charging)

Charging case battery: 400mAh(with hall switch)

Speaker diameter: Ø10mm

Speaker output power: 3mW 32ohm

Speaker Frequency Response: 20Hz-20kHz

Input (station): 5V/400mA

Stand by time: 180 days

Charging time (earbuds): 1H

Charing time (station): 2H

Playing music time: 6.5H

Reach up to: 10 meters

Weight( charging case and earbuds): 37.6g