Panasonic KX-TG7743S DECT 6.0 Link-to-Cell via Bluetooth Cordless Phone with Answering System, Silver, 3 Handsets plus great headset DECT 6.0 Plus Technology All-Digital Answering System Included 3 Cordless Handsets single Line Link2Cell Bluetooth Enabled Simple Pairing The HM1300 features Simple Pairing technology, automatically pairing with the closest Bluetooth-enabled device. Simply turn on the Bluetooth feature on your smartphone, then select the HM1300 and you're connected; no passcode needed. Multipoint Technology With built-in Multipoint Technology, you can pair the headset to two different devices at once for seamless integration across devices. Exceptional Battery Life The inline rechargeable battery boasts 8 hours of talk time and up to 300 hours of standby time per charge cycle, and with a dedicated on/off switch it's easy to conserve power until you need it.