SupraPlus Wireless combines the sound clarity of traditional wired telephone technology with the freedom of wireless mobility, allowing employees to make digitally encrypted calls anywhere in their office or call center.
The SupraPlus wireless professional earphone system is designed for busy call‑center supervisors and office professionals who need hands‑free mobility, comfort, and high‑quality voice communication. It uses DECT 6.0 digital technology to combine the clarity of wired phones with the freedom of wireless operation, supporting encrypted calls up to 91 m away.
The manual outlines key specifications such as up to 10 hours of talk time, 50 hours of standby, 64‑bit digital encryption, and optional ear‑piece styles (single‑ear or dual‑ear, acoustic tube or noise‑cancelling). It also describes accessories like the HL10 hook‑switch for single‑touch answering and hanging up. This manual is written in Chinese.
| Talk time | Up to 10 hours |
|---|---|
| Standby time | Up to 50 hours |
| Effective range | 91 meters |
| Operating frequency | Voice‑only DECT 6.0 |
| Security / Privacy | 64‑bit digital encryption |
| Earphone weight | 70 g (single‑ear model) |
| Battery charge time | 1 h for 5 h talk, 3 h full charge |
| Operating temperature range | -24 °C to 44 °C |
| Compatibility | All major corded phone brands |
| Wearing style | Head‑mounted |
It provides up to 10 hours of talk time and up to 50 hours of standby.
The system works up to 91 meters from the base station.
Calls are protected by 64‑bit digital encryption.