CM-2000 Boundary Conference Microphone/ Speakerphone for conferencing. Whether it's a conference room at work, home office or an open meeting space, this conference microphone/ speakerphone that you can use with your Tablet, Smartphone or Computer will take your audio conferencing to the next level. PROFESSIONAL SOUND: Conferencing microphone/speakerphone with omnidirectional microphone, offering 360 degree coverage. WORK FROM ANYWHERE: Whether it's your home office, conference room at work, or an open meeting space, this conference microphone used with your Tablet or Smartphone makes audio conferencing available anywhere, anytime COMPACT DESIGN: Sleek, low profile design to go with you wherever you meet, complimentary carrying case to travel anywhere CONNECTIVITY: TRRS 3.5mm Plug connection Use with Smart Phones, Tablets and Computers with TRRS 3.5mm Inputs TRRS 3.5mm Plug 10 Foot Cord Built-in speaker with On/Off Switch 360º pickup for exceptional sound quality and maximum coverage Multi-Color L.E.D .Indicator Sleek, low profile Rechargeable Lithium battery (Battery only required to operate Playback Speaker) Audible battery status notification Battery life 20-25 hours of continued use Charging time 3 hours