Alternate color or configuration shown Lenovo EXPAND 30 + speakerphone Universal USB/Bluetooth Black, Silver Lenovo EXPAND 30 +. Device type: Universal, Product color: Black, Silver, Maximum operating distance: 984.3" (25 m). Frequency range: 100 - 20000 Hz. Microphone frequency: 150 - 7500 Hz, Microphone direction type: Omnidirectional. Connectivity technology: Wired & Wireless, Interface: USB/Bluetooth, Bluetooth profiles: A2DP, AVRCP, DI, HFP, HSP. Power source type: Battery, USB, Talk time: 18 h, Battery recharge time: 3.33 h Manufacturer: Lenovo SKU: 7645986 Manufacturer part number: 78461607 $209.00 Qty: Add to cart Custom wishlist OK Add to wishlist Add to compare list Email a friend Specifications Contact Us Products specifications Attribute name Attribute value Battery Recharge Time 3.33 h Talk Time 18 h Bluetooth version 5.0 Frequency range 100 - 20000 Hz Bluetooth Yes USB connector type USB Type-C Microphone frequency 150 - 7500 Hz Microphone mute Yes Bluetooth profiles A2DP, AVRCP, DI, HFP, HSP Auto No Number of microphones 2 Technical details Product color Black, Silver Ports & interfaces Connectivity technology Wired & Wireless Interface USB/Bluetooth Power Power source type Battery, USB Features Device type Universal Plug and Play Yes LED indicators Yes Other features Maximum operating distance 984.3" System requirements Windows operating systems supported Yes Mac operating systems supported Yes Microphone Microphone direction type Omnidirectional Products specifications Attribute name Attribute value Battery Recharge Time 3.33 h Talk Time 18 h Bluetooth version 5.0 Frequency range 100 - 20000 Hz Bluetooth Yes USB connector type USB Type-C Microphone frequency 150 - 7500 Hz Microphone mute Yes Bluetooth profiles A2DP, AVRCP, DI, HFP, HSP Auto No Number of microphones 2 Technical details Product color Black, Silver Ports & interfaces Connectivity technology Wired & Wireless Interface USB/Bluetooth Power Power source type Battery, USB Features Device type Universal Plug and Play Yes LED indicators Yes Other features Maximum operating distance 984.3" System requirements Windows operating systems supported Yes Mac operating systems supported Yes Microphone Microphone direction type Omnidirectional