1. Setup
1.1 What's in the Box
Your Technics EAH-AZ40 True Wireless Earbuds package includes the following items:
- Technics EAH-AZ40 Earbuds (L/R)
- Charging Case
- USB Charging Cable (USB-A to USB-C)
- Earpiece Set (XS/S/M/L - M size pre-installed)

Figure 1.1: Package Contents
1.2 Initial Charging
Before first use, fully charge the earbuds and the charging case. Connect the provided USB-A to USB-C cable to the charging port on the back of the case and a compatible USB power source. The charging time for the case is approximately 2 hours. The earbuds will charge automatically when placed inside the case.

Figure 1.2: Earbuds in Charging Case
1.3 Pairing with Your Device
To pair your Technics EAH-AZ40 earbuds with a new device:
- Ensure the earbuds are in the charging case and the case lid is open.
- On your device (smartphone, tablet, laptop), enable Bluetooth.
- Select