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The only open backed Bluetooth headphone.
Grado - GW100 Wireless Open-Back Headphones
Inside the GW100 are our signature Grado drivers, the same ones found in our wired headphone line. Grado Labs' first wireless headphone wouldn't be possible without decades of experience from building custom drivers throughout the whole headphone lineup.
Throughout our wired headphones the drivers are changed for the housing they're in, and the GW100 is no different. We've configured these specifically for the wireless headphones.
Battery Capacity: 320mAH
Working Distance: 10m
Battery Life: 15 hours*
Frequency Response: 20Hz~20KHz
Mic Sensitivity: 42dB /- 3dB
Transducer Type: Dynamic
Operating Principle: Open Air
SPL 1mW: 99.8 dB
Nominal Impedance: 32 ohms
Driver Matched dB: .05 dB
Included: Headphones, Warranty, Grado story-sheet, micro-USB charging cable, 3.5mm audio cable