Sony SBH50 Smart Wireless NFC Bluetooth 3.0 Stereo Headset In-Ear Headphones with FM Radio (White) Sony SBH50 Wireless Bluetooth Earphones Headset In-Ear Headphones with FM Radio Tuner is Available In Black, and in White Sony SBH50 Features Bluetooth 3.0 Connectivity, Easy One Touch Pairing with NFC Technology, Handsfree profile (HFP) v1.6, Advanced Audio Distribution Profile (A2DP) v1.2, Audio Video Remote Control Profile (AVRCP) v1.4  Control and Target role and 128 x 36 Pixel Resolution OLED display for Caller ID Built-In 115 mAh Rechargeable Battery: Standby time: 400 hours (up to), Talk time: 8 hours (up to), Stream time: 8 hours SBH50 Headphones: Magnet Type : Neodynium, Driver Unit : 9.2mm, dynamic, Frequency Response : 20 Hz - 20,000 Hz, Impedence : 18 ohms, Sensitivity : 117dB/V, Max input power : 1.2Vpp Sony SBH50 Package Includes: 1) Sony SBH50 Wireless Bluetooth Receiver - 2) MH755 In-Ear Stereo Headphones - 3) 3-Pairs of Replacement Earbuds Ear-Tips - 4) EC300 Charger Cable - 5) Quick Start Guide (Users Manual) - 5) Warranty Information