Specifications: Description: Increase your productivity and comfort. Using a headset can increase your productivity by allowing you to handle other tasks while talking on the phone. Additionally, the use of a headset can reduce neck, upper back, and shoulder tension allowing for a more comfortable work environment. Experience the freedom, comfort and great sound quality of a Plantronics cordless headset system. Do more. Comfortably. The CS10 Cordless Telephone Headset System combines the 900 MHz cordless CA10 amplifier and the convertible noise-canceling headset to deliver hands-free mobile design with range of up to 150 feet from the base unit. Connects to single or multi-line corded telephones. Benefits: Mobile: Hands-free mobile design with range of up to 150 feet from the base unit Convertible Headset: Adjustable for over-the-head stability or over-the-ear convenience with new conformable earloop Improved Sound Quality: Adjustable tone control and transmit and receive volume allow for superior sound Extended Use: Six-hour continuous talk time on rechargeable battery Easy Installation: Connects to single- or multi-line corded telephones Remote Answering: Remote call answering with optional Plantronics Handset Lifter Accessory Features: Plantronics CS10 Telephone Headset System Delivers: Improved Sound Quality: Adjustable transmit and receive volume control Extended Use: Six-hour continuous talk time on rechargeable battery Mobility: Talk on the phone and answer calls (with optional Plantronics Handset Lifter) up to 150 feet away from the base unit Easy Installation: Connects to single- or multi-line corded telephones CS10 Telephone Headset System Key Features: 150-foot mobile range from base Channel change Phone, talk and charge indicator lights Mute indicator light Convertible telephone headset with a 2.5mm connector Pager/locator for remote unit Compatible with Plantronics Handset Lifter Accessory Specifications: Physical - Base 3.75 x 4.5 x 8.0 in. 9.5 x 11.4 x 20.3 cm. Remote (with battery) - 1.75 x 1.75 x 3.75 in. 4.4 x 4.4 x 9.5 cm. Remote Weight - 4 oz. 4 grams Electrical - 9 VDC, 800 mA; 120 VAC adapter provided for base charger Battery - Type NiMH. Talktime 6 hours; Stand-by time 80 hours