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Glossary

Reverse wireless charging

Lets the phone charge earbuds or a watch placed on its back.

Reverse wireless charging turns the back of the phone into a small wireless charger for earbuds, watches or another phone. It is slow and drains your phone battery, so it is best for top-ups.

Also called: powershare, wireless powershare, battery share

More terms

Bluetooth audio codecsHow audio is compressed over Bluetooth (SBC, AAC, aptX, LDAC, LC3). Both phone and earbuds must support the same codec.DC fast charging (kW)High-power charging at public stations, in kilowatts. The car's maximum only applies under ideal conditions.SensorsSmall chips that detect motion, light, distance and direction — used for rotation, brightness, steps and more.mAh (milliamp-hour)A measure of battery charge. More mAh usually means a bigger battery, but battery life also depends on the screen, chip and software.Chipset (SoC)The phone's main chip: CPU, graphics, AI engine, modem and more in one package. It decides speed and efficiency.LCDA screen with a backlight behind liquid crystals. Usually cheaper than OLED; blacks look greyer.

All glossary terms