The Panasonic KX-TG674SK DECT 6.0 Link2Cell Bluetooth Enabled Phone with answering system and 4 cordless handsets, means that you can link up to two cell or smart phones and integrate them into the phone system via Bluetooth. Your whole contacts stored into your cell or smart phone will also be shared with this phone system allowing you access to their phone numbers right from the handset. For those times if you find yourself running late and cannot locate your cell or smart phone, there’s a cellular locate mode conveniently on handsets and base so we can guide you to your lost device. This model also features comfort design bearing in mind comfortable listening, shoulder grip and easy to hold design. Power back up and advanced TAD (telephone answering device) functions tie it all together making this system some of the reliable and functional systems to be had available in the market today.