The Konftel 300Wx allows you to hold conference calls where and when it is convenient - without worrying about phone jacks and power outlets. The rechargeable lithium ion battery ensures superior performance with up to 60 hours of talk time, this allows a full working week without worrying about recharging! The Konftel 300Wx supports DECT with GAP/CAT-Iq standard for less interference and clearer conversations and moreover is easily integrated with existing DECT systems for complete coverage. The Konftel 300Wx can also be easily connected to your cell phone or computer via USB for VoIP calls over the internet. Its embedded line mode enables you to connect DECT, cell phones and USB simultaneously for multi-party calls