These are Bluetooth stereo headsets in a sleek, streamlined style. The soft padded ear cushions provide a truly intimate and private listening experience, while the high-performance Li-ion polymer battery provides a long-standing time. The lightweight and handy design makes it fit perfectly into your briefcase and handbag for on-the-go listening.

• Bluetooth version: Bluetooth ver 2.1.
• Bluetooth profile: headset, hands-free, hands-free 1.5.
• Range: maximum 10m (class 2).
• Continuous calling: maximum 15 hours.
• Continuous standby: maximum 300 hours.
• Battery: Li-ion polymer (12 hours).
• Output power: +4dBm.
• Receive sensitivity: -83dBm.
• Frequency: 2402MHz-2483MHz.
• Input voltage: AC100V-240V, 50/60Hz.
• Output voltage: DC5.0V, 500mAh.
• Operating temperature: -10 to +60℃.
• Can connect to a Bluetooth mobile phone.
• MP3 function (Bluetooth supporting device).
• Wireless stereo function: play, stop, and pause.
• Track search: next track and previous track can be selected to play.
• Volume control: Bluetooth wireless hands-free phone call.
• Receiving phone call: calling and rejecting modes. 
• The last phone number history.
• Phone calling by voice recognition.