Bluetooth wireless headset supports most of Bluetooth enabled devices. Large capacity lithium battery and built-in microphone￡? hands-free?function￡? which can answer the phone￡? music player. Super stereo two-channel let you enjoy the true high fidelity effect. <br><br><strong>Features:</strong> <br>Bluetooth + stereo headset combo. <br>Wireless headphone connects to other device that has Bluetooth function￡? compatible for iPhone￡? for iPod￡? for tablet￡? laptop￡? notebook￡? etc. <br>Allow you to answer phone calls and call back. <br>Built-in battery and long playing time that up to 10 hours. <br>Rechargeable battery￡? convenient and practical. <br>High quality and adjustable headband length￡? very comfortable to wear and easy to carry. <br>3.5mm audio jack￡? provides a simple wired connection of a variety of devices without Bluetooth. <br>Best choice for listening music￡? watching movie￡? chatting online etc. <br><br><strong>Specifications:</strong> <br>Bluetooth version: V2.1 <br>Operation distance: 10m / 33ft <br>Rechargeable lithium battery: 350mAh? <br>Loudspeaker impedance: 32|? <br>Loudspeaker diameter: |μ40mm? <br>Frequency range: 2.4GHz? <br>Frequency response: 20Hz-20KHz <br>SNR: ￡?85dB? <br>Operating voltage: 60mA <br>Operating voltage: 3.5-4.2V <br>Charging time: 2-3 hrs <br>Talking time: 6 hrs <br>Standby time: 180 hrs <br>Playing time: 10 hrs <br>Item size: 15.5 * 6.10 * 18cm / 6.10 * 2.40 * 7.08in (L * W * H) <br>Item weight: 130g / 4.58oz <br>Package size: 19 * 16.5 * 7.7cm / 7.48 * 6.49 * 3.03in (L * W * H) <br>Package weight: 263g / 9.30oz <br><br><strong>Package List:</strong> <br>1 * Headset <br>1 * USB to audio jack cable? <br>1 * 3.5mm audio cable? <br>1 * User Manual (English)