Lenovo Wireless VoIP Speakerphone deceptively slim and it is packed with more advanced technology than you can imagine. Stay connected on the go with an omnidirectional 360-degree quad-mic-array that can pick up the voices of up to 10 people in a room. Hear every detail with a powerful hi-fidelity speaker driver that produces a natural sound. Stay mobile and active all day with the compact form, protective travel pouch, USB audio adapter, built-in 6500mah power bank with 24 hours of call time, and USB charging.