This product is either discontinued or we cannot get that from suppliers.
Yealink CP900-BT50-TEAMS Portable Speakerphone with Bluetooth, Speakerphone (Ø) 132.5 x (h) 35.5mm, Connectivity USB 2.0 PNP & Bluetooth, USB cable length 0.9m, Built-in Bluetooth 4.0, Wireless range 30m, USB/Lithium Polymer Battery Power, Battery Capacity 3.85V/2450mAh, Talk time 12 hours, Sensitivity -42dB re. 1V/Pa, Peak output power 7W, Root Mean Square (RMS) 3W, Audio Optima HD voice, Microphone pickup 2 meters, Full-duplex technology, Noise suppression (NS) more.