Arctic P311 Stereo Bluetooth Headset built-in Mic for Smart Phone

Arctic P311 Stereo Bluetooth Headset built-in Mic for Smart Phone ARCTIC Bluetooth Headsets autotags B004U7N1IMZTVWG ♠ ARCTIC ¦ Dimensions (Packaging) 165 L x 65 W x 230 H Wearing Style Supra-Aural, Neckband Bluetooth Version V2.1+EDR Class 2 Frequency Response (Hz-kHz) 18-22 Total Harmonic Distortion 0.1% Battery Rechargeable 400mAH; Li-Polymer Battery Talk Time Up to 20 hours Limited Warranty 2 years item number HEASO-ERM39-GBA01 UPC 0872767003668 Weight 0.32 kgsee more.