Bluetooth Land Line Phone Adapter - Bluetooth Version 3, 10 Meter Range, ISM Band Frequency (Bluetooth Headset is NOT Included)
Brand: WEIKAI LIMITED
Color: Black

Land Line Phone Adapter
Bluetooth Version: 3.0
Operating Range Up to 10 meters
Bluetooth Version: 3.0
Supported Profile: Audio gateway in headset profile
Frequency: 2.4 to 2.4835 GHz (ISM band)
Operating Range: Up to 10 meters
Phone jack: Two RJ-11 ports (one for line in; one for extension)
Regulator: Internal 1.8V regulator
Antenna: Internal PCB antenna
Operating temperature: -5 to 50 Degree Celsius
Adapter: Input: AC100 to 240V, 50/60HZ; Output: DC6V, 300mA
Support stereo sound, supports a variety of Bluetooth headsets
Button: pair button, on/off button
Product Dimensions: 89x45x104 mm(L x W x D)
Product Weight: 94g

With a standard RJ11 input you can connect your phone line to this adapter and then use the output port to plug in your landline phone.(The Bluetooth headset is not included）
Sitting between your phone and the wall socket your telecommunication can be directed through almost any Bluetooth headset with this adapter.
Having a transmission range of 10 meters it lets you walk around the office or at home and get on with important tasks while chatting on the phone, great for the busy manager or housewife juggling a hundred tasks at once.
Hands-free communication in your home or office is simple and quick top set up, increasing your efficiency and productivity.
Operating Range Up to 10 meters（Note:This machine supports connecting ordinary landline phones.The working principle of the device is connected to the Bluetooth headset through the adapter, supports the connection of the Bluetooth headset, does not support the connection of the hearing aid, and does not support the connection of the mobile phone Bluetooth for the call.）