A:Answer Only 2 Bluetooth devices can be used with the unit at the same time (for example, 2 cellular
lines, or the headset and 1 cellular line). For best performance, we recommend using a Bluetooth headset within 1 m (3.3 feet) of the base unit. A headset can communicate with the
base unit within a range of approximately 10 m (33 feet).
For Compatibility Please check the specifications of the headset.
The Phone System operates at:
Frequency range:
1.92 GHz to 1.93 GHz (DECT)
2.402 GHz to 2.48 GHz (Bluetooth)