Garantia: SG
SPEAKER DRIVER UNITS : AND #934; 40 X 20.8 MM FREQUENCY RANGE : 140 HZ ? 20 KHZ IMPEDANCE : 4 AND #937; RATED POWER : 3W SENSITIVITY (SPL) : 85 DB @1W/0.5M MICROPHONE MICROPHONE : 2 X OMNI-DIRECTION MICROPHONES FREQUENCY : 100 HZ ? 10 KHZ SNR : 64 DB(A) GENERAL POWER RATING : 5V/1A LED INDICATION : TEAMS EVENT CALL STATUS MICROPHONE MUTE VOLUME RANGE AUDIO PERFORMANCE : ENC (ENVIRONMENTAL NOISE CANCELLATION) AEC (ACOUSTIC ECHO CANCELLATION) AUTOMATIC GAIN CONTROL DOUBLE TALK BEAMFORMING INFORMATION CERTIFICATION CERTIFIED FOR MICROSOFT TEAMS, COMPATIBLE WITH SKYPE? FOR BUSINESS SHIP GROUP (WHAT?S IN THE BOX) LENOVO GO WIRED SPEAKERPHONE LENOVO USB-C (FEMALE) TO USB-A (MALE) ADAPTER TRAVEL POUCH START MANUAL WARRANTY POSTERS WARRANTY 1 YEAR CONNECTIVITY INTERFACE USB-C, USB-A ADAPTER CABLE LENGTH 79 CM