This document is a user guide for the HB400C Stereo Bluetooth Headset, which introduces the features, functions, and how to use the headset. The HB400C is a Bluetooth stereo headset designed for use with mobile phones, PCs, PDAs, or other audio devices equipped with Bluetooth transmitters.
This guide introduces the Hisense HB400C stereo Bluetooth headset, lists its key features, and provides safety guidelines for use. It explains how to charge the headset, turn it on and off, and pair it with a phone or other Bluetooth device.
Detailed instructions cover answering and ending calls, voice dialing, music playback, LED indicators, and troubleshooting common issues such as pairing problems or low‑battery warnings.
| Standby time | Up to 160 hours |
|---|---|
| Battery | Rechargeable, chargeable via AC adaptor or USB |
| Weight | 12 grams |
| Operating range | Up to 10 meters (≈33 feet) |
| Bluetooth version | 2.1 |
| Supported profiles | A2DP, AVRCP, HSP, HFP |