Model YX808 Description High Quality Two Link Bluetooth Speakerphone is the wireless portable handfree device based on the Bluetooth technology. it frees the end user hands when calling. The major difference between them is that up to 2 Bluetooth devices (phone, USB dongle etc.) can be connected to the two link speakerphone and at any time only one voice link is available between the 2 link headset and the connected phones. If only one phone is connected, the functionality of the headset is the same as the normal speakerphone. This versatile Bluetooth speakerphone is portable and specially designed for user to enjoy convenience and freedom of wireless communication. BP-A2DP Bluetooth Speaker Bluetooth V2.0 compliant Class2 Supported profile: A2DP, AVRCP, handset Frequency: 2.402GHz~2.480GHz Working range: 10 meters Audio Amplifier: Output: 0.6Wx2 Stereo output Frequency range: 100Hz~20KHz S/N Ratio: 65dB Impedance: 8 Ohm Dimension: 52(W)*51(H)*45(T)mm