Sony ECM-W3 Help Guide - Page 10

When the receiver and the microphone are properly housed in the charging case, close the lid of the case. 2 Connect the USB Type-C port on the back of the charging case and a power source with a USB Type-C cable for battery charging. The charging lamp ( ) on the charging case lights in orange, indicating that battery charging has started. When the built-in battery of the charging case is fully charged, the charging lamp on the charging case goes out regardless of the battery charging states of the receiver and the microphone housed in the charging case. When the USB Type-C cable is disconnected at this point, battery charging for the receiver and the microphone continues with the battery power of the charging case. About the battery charging time In the event of charging the built-in batteries while the receiver and the microphone are housed in the charging case, the built-in batteries of the receiver, the microphone, and the charging case are simultaneously charged via the USB connection. About 10 minutes of battery charging enables about 30 minutes of use of the receiver and the microphone. Time period required to fully charge the built-in batteries of the receiver and the microphone: about 2 hours* Time period required to fully charge the built-in battery of the charging case: about 2 hours and 30 minutes* * Time period required for charging the empty rechargeable batteries via the USB charging port (CDP - Charging Downstream Port) on the computer to full capacity. It may vary depending on the using condition. Charging the built-in batteries of the receiver and the microphone while on the go The charging case contains a rechargeable battery. By having it charged in advance, you can charge the batteries of the receiver and the microphone when you have no access to a power source, for example, while you are on the go. ECM-W3 The fully charged battery power of the charging case is sufficient for about 1 time charging for all the built-in batteries of the receiver, the microphone No. 1, and the microphone No. 2 from the empty state to the fully charged state. ECM-W3S The fully charged battery power of the charging case is sufficient for about 2 times charging for the built-in batteries of the receiver and the microphone from the empty state to the fully charged state. Notes on charging the built-in batteries of the receiver and the microphone while on the go In the event that the charging lamp on the charging case is blinking in orange when the receiver and the microphone are removed from the charging case, the rechargeable battery of the charging case is running out of power. Charge the battery of the charging case. 10