Headset Amplifier powered by USB

RETAIL PRICE $84Designed with very compact, sporty, refined and being well useful functions, provides the best call comfort to the intensive users in big Call-center and Office as well as Home office.• Full hands-free products with headsets• High quality receiving sound and a lot functions• By USB power, from PC, no need a battery.• Compare to Plantronics M22 / AP15.• 2 Years Warranty Description Headset amplifier for single and multi-line phone by USB power, from PC, no need a battery. Designed with many useful functions, compactly, functionally and long-live. Compatible with most of digital and IP desk phones present on the market.• Full hands-free products with headset.• Talking on the phone, taking notes and doing with computer works simultaneously.• Very simple compatible switch.• Universal compatibility with most of telephones like Toshiba, Nortel, AT&T, GTE, Siemens, Panasonic, Samsung and LG key phone, PABX, PSTN system. Benefit • Compatibility with most phone