THINKPAD X1 ACTIVE NOISE CANCELLATION HEADPHONES

HEADPHONE HEADSET DRIVER : 40 MM FREQUENCY RANGE : 20 HZ – 20 KHZ IMPEDANCE : 32 AND #937; MAX. INPUT POWER : 30 MW SENSITIVITY (SPL) : 111 DBM ± 3 DBM THD+N AT -3 DBFS : -77 DB DYNAMIC RANGE : 110 DB BATTERY SUPPORT : 15 HOURS (PLAYBACK); 20 HOURS (WITH ANC OFF) BATTERY CHARGE TIME : 2 HOURS MICROPHONE THD+N AT -3 DBFS : -85 DB DYNAMIC RANGE : 95 DB FREQUENCY : 50 HZ - 8 KHZ ACTIVE NOISE : ANALOG ANC, UP TO -30 DB, CANCELLATION (ANC) 4 X MICROPHONES SUPPORTS ANC OFF/ : LEVEL 1 = -20 DB; LEVEL 1/LEVEL 2 LEVEL 2 = -30 DB ENVIRONMENT : 2 X DEDICATED NOISE CONTROL (ENC) DIGITAL MICROPHONES NOISE SUPPRESSION : UP TO 45 DB SIGNAL-TO-NOISE RATIO : UP TO 19 DB (SNR) IMPROVEMENT INTERFACE BLUETOOTH® 5.0, USB-C (USB-C DIGITAL AUDIO STANDARD) BLUETOOTH® PROFILE A2DP, HFP, AVRCP BLUETOOTH® AUDIO FORMAT SUPPORT SBC / AAC / APTX / APTXLL / HP1.7 / MSBC CABLE LENGTH USB-C TO USB-C : 1.3 M BRAIDED CABLE USB-C TO USB-A : 1.3 M RUBBER CABLE HEADPHONE TYPE ON-EAR DESIGN, FOLD-FLAT ENGINEERING MICROPHONE TYPE BOOMLESS WEIGHT STARTING AT 0.43 LBS (195 G) SUPPORTED OS • WINDOWS 10 • ANDROID™ 8.0 OR LATER • IOS 10.0 OR LATER SHIP GROUP (WHAT’S IN THE BOX) • THINKPAD X1 ANC HEADPHONE • CARRYING CASE • 1.3 M USB-C TO USB-C BRAIDED CABLE • 1.3 M USB-C TO USB-A RUBBER CABLE • WARRANTY • INSTRUCTION MANUAL WARRANTY 1 YEAR|