The Poly Savi 7300 headset easily connects to landline phones and softphones making it the perfect solution for your company's security needs. - Wireless DECT headset - Universal basis with connectivity for several devices so that both landline phones and the PC can be connected - Noise cancelling microphone with Poly Acoustic Fence technology - Range: up to 180 m (direct line of sight) - Connectivity: Landline phone and PC Battery: Battery capacity: 500 mAH Battery type: Technician replaceable (lithium ion polymer) Talk time: Up to 13 hours Charge time: Two hours Standby time: Up to 52 hours Calls can be answered/ended through the headset: manufacturer-specific Electronic Hook Switch (EHS) module required (sold separately). Please inform us of your phone model so that we can find the compatible EHS cable. Please note: We recommend using Poly Lens software with this product. This enables central management of video devices, headsets, phones and webcams. Other benefits: - Custom device settings - Always the latest firmware - Easy troubleshooting tool - Fast device integration - Dashboard layout with intelligent news feed