Friencity Bluetooth Headset with Microphone connects wirelessly via Bluetooth CSR technology. It is a mono headset designed for professional purposes and driving. It is compatible with devices like smartphones, desktops, TV, tablets, laptops, etc. The headset's HD microphone provides hands-free call receiving. Its battery capacity is 180mAh which ensures 13 hours of non-stop conversation. It gives 33 feet wireless Bluetooth range. Also, its CVC 6.0 Noise & Echo reduction technology prevents unwanted background noise. You also get a 24-months limited warranty on this product.