JBL Tune 520BT Wireless on-ear Headphones (Blue) 4.3 up tp 5.0GHz Black Ink Bottle:

Black Ink Bottle:

Fan Support - Rear

ENERGY STAR® 8

10/100/1000 Mbps at Half Duplex

10-m wireless range (may vary depending on the operating environment and computer setup)

JBL Tune 520BT Wireless on-ear Headphones (Blue) 4.3 up tp 5.0GHz Black Ink Bottle:SPECIFICATION General Specifications Driver size (mm) 33 Number of Microphones 1 Audio Specications Driver sensitivity (dB) 102 dB SPL @ 1kHz 1mW Dynamic frequency response (Hz) 20 Hz 20 kHz Impedance (ohms) 30 Dimensions Audio Cable Length (ft) 0. 7 Audio Cable Length (m) 0. 2 Ear Cup Depth (cm) 1. 7 Ear Cup Depth (in) 0. 7 Ear Cup External Height (cm) 3. 2 Ear Cup External Height (in) 1. 3 Ear Cup External Width (cm) 7. 3 Ear Cup External Width (in)