Colour Name:Black Noise cancelling Bluetooth headphones with mic wired and wireless over ear headset for PC TV Tablet Computers music headphones Specification: Bluetooth version: Bluetooth V4.0 Bluetooth protocol: HFP, HSP, A2DP and AVRCP Effective distance: 10 m Audio input: bluetooth/Cable Entry Working time: 75 hours Standby time: about 800 hours Charging time: 4.5 hours Battery: 1400 mAh Lithium Ion Battery Frequency Response: 20 Hz - 20 kHz Sensitivity (SPL): 100 dB Nominal Impedance: 32 Ohm Package: 1 x Earphone, 1 x 3.5 mm audio cable, 1 x USB Charging Cable, 1 x User's Manual Function: Ergonomic earplugs design; the elliptical Hopi Ear Shell made from breathable, highly elastic sponge with artificial leather wrapped and is angled at 15 ° to the vertical form, to ensure long-lasting comfort Sound insulation and noise reduction: to reduce the Edifier closed type headphones with rear design will help you to outside noise and to keep the sound. These wireless earphones provide the ear-enclosing design contour for excellent noise isolation in noisy environments Warm Tips: To ensure their personal safety, carrying or please keep no headphones in the immediate vicinity (closer than 10 cm) of a have a heart Machers Plug the connector does not plugged into the outlet Listen to not at high volume levels for long periods of time, it might be your hearing damage See it the safety in traffic not the headphones while driving or while biking.
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