Sony Bluetooth Headset, 3.5 mm Jack - Retail Packaging - Black HD voice. Wireless and wired solution. Eco, wind and noise reduction technology Fast charging (fully charged in less than one hour) NFC one-touch for power on, pair and connect. Bluetooth 3.0 Adjustable on ear for perfect fit Standby time: up to 24 days, Streaming audio time: up to 13 hours, Talk time: up to 13 hours