LG TONE Free TONE-FP9 Owner's Manual page 22

Charging Time
Rated Input
Voltage
Operating
Temperature
Operating
Humidity
Dimensions (mm) /
Weight (g)
Frequency range
*Duration of use may vary depending on the connected mobile device, features
being used, settings, signal strength, operating temperature, frequency band,
and other methods of use.
20
Earbud : within an hour / Charging case : within 2 hours
Fast Charging : 5 min charge for up to 60 min playtime*
※ When charging wired at room temperature
Earbud : 5 V 0, 136 mA
Charging case : 5 V 0, 500 mA
0 °C ~ +40 °C
5 % ~ 60 %
Earbud : 21.2 mm (W) X 28.3 mm (L) X 23.2 mm (H)
/ 5.2 g (One earbud)
Charging case : 54.5 mm (W) X 54.5 mm (L) X 30 mm (H)
/ 36.7 g
2402 MHz to 2480 MHz