Samsung AWEP490PPE User Manual (user Manual) (ver.d02) (English) - Page 9

• Use only a Samsung-approved travel adapter. Unauthorized travel adapters may cause an explosion or damage to the headset. • When charging the headset in very hot temperatures, the red indicator light flashes and charging will stop. This is a normal event to protect the headset from damage. Unplug the travel adapter from the headset. You can charge the headset normally below 50°C/122°F (±5°C/9°F) • The battery will gradually wear out while charging or discharging because it is a consumable part. • The headset is not able to operate while charging. Try connecting after charging is completed. Checking the battery level At the same time, press and hold the Volume down button and the Talk button. Depending on the battery level, the indicator light flashes 5 times in one of the following colors: Battery level Above 80% 80 ~20% Below 20% Indicator light color Blue Violet Red