LG TONE Free Owner's Manual page 26

Dimensions
(mm) /
Weight (g)
Frequency range
2402 MHz to 2480 MHz
*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.
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
24
Output Power (Max)
Earbud : 11.5 dBm
Charging case : 10 dBm