The guide introduces the HBTR Bluetooth headphone amplifier, describing its buttons, ports, and indicator LEDs. It explains how to power the device on and off, enter pairing mode, and use one‑touch NFC pairing with iOS or Android devices.
Safety and maintenance instructions cover proper charging with a standard 5 V charger, temperature limits, keeping the unit away from liquids, and periodic recharging when not in use. The guide also lists the items included in the package and provides disposal information per the WEEE directive. This manual is written in Chinese.
| Headphone output connector | 3.5 mm |
|---|---|
| Charging voltage | Standard 5 V |