Sony SBH70BL Headphones SBH70 support NFC, touch to connect, it is waterproof IP 57.Worn on the neck, this Bluetooth wireless headset is perfectly balanced Superior Sony sound. HD Voice ready. supports Bluetooth Multipoint which makes it possible to connect SBH70 to two devices at the same time. This Bluetooth headset works fantastically with Bluetooth-enabled smartphones,Mp3 play, tablets and computers. Connectivity Technology: Bluetooth and NFC Technology