Microphone The Wireless speakerphone is equipped with full duplex 360° omni-directional microphone provides wideband audio through RF2.4G, and built in powerful speaker covering a distance of up to 10 feet in all directions.   Speaker It features in advanced Digital Signal Processing of echo cancellation and Noise suppression technology to ensure excellent audio clarity on both ends of the line, It also comes with a 3.5mm headset port that allows the user to switch from a conference call to a private conversation.   Rechargeable Lithium Battery Stand-by up to 90 days Talk time up to 10 hours Provided 1Ah fast recharging 2600mA Battery Capacity 6pcs Orange LEDs indicates Power capacity   Work as a Combo It works perfectly with OneKing Video conference cameras as a Combo which the IR remote control is able to adjust Volume up/down, Mute, Power On/Off from same IR remote control along with PTZ Camera, and switch HIFI Mode or Conference Mode;   Compatible with Most popular Web Conferencing software All these features make it the perfect solution for spontaneous conferencing and collaboration which is compatible with various telecommunication platforms including WebEx, Lync, Trueconf, Skype for Business, BlueJeans, Zoom, and Jabber for easy integration into your existing videoconferencing infrastructure.