Features:Bluetooth + stereo headset combo.Wireless headphone connects to other device that has Bluetooth capability, such as for iPhone for  Samsung Galaxy's for HTC's, etc.3.5mm audio jack, provides a simple wired connection of a variety of devices without Bluetooth.Allow you to answer or reject phone calls anytime and anywhere.Charged via USB, rechargeable battery, convenient and practical.Playing time up to 10 hours, and continue talk time up to 7-8 hours, standby time up to 120 hours.Good quality, foldable design and adjustable length hinges, very comfortable to wear and easy to carry.Best choice for listening music, watching movie, chatting online etc.Specifications:Type: Stereo headphone with MicBluetooth version: ISSC3.0Color: BlackOperation distance: 10mSensitivity: 105dB+ / - 3dBRechargeable lithium battery: 300mAhCharge time: 2-3hrsCharge port: USBResistance: 32ohmPlug type: 3.5mmAudio cable length: 1.2m / 3.94ftEarmuff diameter: 8cm / 3.1inItem weight: 152g / 5.4ozPackage size: 16.5 * 15 * 9cm / 6.5 * 5.9 * 3.5inPackage weight: 295g / 10.4ozFunction: Microphone, Voice control, Supports music, Noise Cancelling, Wireless Headphone, Portable, BluetoothPackage List: 1 * Headset 1 * USB Cable 1 * Audio Cable