PLANTRONICS CS70 Wireless Office Headset System (comes only as a bundle with the HL10 handset lifter) Sophisticated, all-day mobile comfort for office executives Office executives can now enjoy hands-free flexibility in sophisticated style and unmatched comfort. Combining best-in-class wireless technology with a lightweight design, the Plantronics® CS70 Wireless Office Headset System lets executives move wherever business takes them - up to 300 feet from their desk phone. The CS70 features digitally-encrypted, voice-dedicated DECT 6.0 technology for secure communications and uncompromised audio quality. The CS70 enables executives to answer remotely, so they never miss or interrupt calls while away from their desk phone.* *Requires HL10 Handset Lifter accessory CS70 Key Features: - Talk time approximately 6 hours - Range up to 300 feet - Operating frequency - Voice-dedicated DECT 6.0 - Security/Privacy - 64-bit digital encryption - Headset Microphone - Voice Tube - Headset weight 0.75 oz - Headset controls volume, mute, call answer/end - Battery recharge time of 1.5 hours for 80% charge and 3 hours for 100% charge - Operating Temp Range +4°C (40°F) to +44°C (110°F) - Compatible with all major corded desk phones - Over-the-ear wearing style - User density unlimited (subject to range degradation and environmental conditions)