Soundcore Life Note 3i Manuel D'utilisation page 7

Specifications
Specifications are subject to change without notice.
Input
Rated output power
Battery capacity
Charging time
Playtime
(varies by volume level and content)
Driver size
Frequency response
Impedance
Waterproof level (Earbuds)
Bluetooth version
Bluetooth range
5 V 0.5 A
5 mW (@1% THD)
55 mAh x 2 (earbuds);
500 mAh (charging case)
2 hours
Up to 9 hours
(Total 36 hours with the charging case)
10 mm x 2
20 Hz - 20 kHz
16 Ω
IPX5
5.2
10 m / 33 ft
05 EN