Indestructible EVA Foam Headsets "Twist-'Em, Turn-'Em, Kids Can't Break 'Em! HamiltonBuhl is now producing Flex-Phones Headsets – the same great construction as the best-selling Flex-Phones headphones – now with a steel-reinforced, gooseneck microphone, volume control and USB connector, ideal for today's technologies. HamiltonBuhl Flex-Phones headsets are the safe, non-toxic, BPA-free, soft, flexible, nearly indestructible units. The gooseneck microphone can be easily positioned for optimal communication. With extremely clear stereo sound quality and comfortable leatherette ear cushions, Flex-Phone headsets are ideal for remote, at-home use or in school. Flex-Phones headsets come with a snap-on extension band for smaller children – just snap on the extension band for a more perfect fit. Flex-Phones headsets also feature the exclusive Dura-Cord – the chew-, kink- and knot-resistant, PVC-jacketed, braided cord. Optional Accessories (Not Included): HygenX25 - Disposable sanitary ear cushions covers (box of 50 pairs).Kids Blue Flex-Phone USB Headset with Gooseneck Microphone Specifications: Color: Blue. Plug: USB 2.0. Output Wattage: 20-30mw. Headband: Padded EVA Foam. Ear Cushions: Leatherette. Microphone: Omnidirectional, Gooseneck with Noise Reduction. Sensitivity: -42±3 dB. Frequency Response: 100~10KHz. Impedance: 2.2k? Thickness: 3.0mm Cord: 4' Dura-Cord - chew-, knot- and kink- resistant, PVC-jacketed, braided nylon Storage Bag: Yes Headset Speaker Drivers: 30mm Frequency Response: 20~20KHz Sensitivity: 97dB±4dB Impedance: 32? Warranty: 1 Year