Apple iPhones, other smartphones with a 3.5 mm jack
Frequency response: 10-20,000 Hz
Impedance: 16 ohms
Sensitivity: 112 dB SPL
Microphone: In-line microphone
Talk: Push to talk button
In Ear headphones with slow memory ear cushions
Extra memory cushions
Straight, single entry 4 foot cord
Limited Lifetime Warranty
Connect to your smartphone in a new way with Koss iSpark, the latest in high fidelity in-ear headphones. Enhance your musical experience with the iSpark's incredible bass response.
The unique in-ear headphone design directs sound into the ear canal for deep bass and extended frequency performance.
With iSpark's slow memory ear cushions, you are guaranteed a great sound and a tailored fit every time. This specialty ear cushion material forms slowly in the ear canal providing a custom fit and maximum isolation.
The iPhone-compatible 3.5 mm mini plug and 4 foot cord includes an in-line microphone and button for accessing phone functions. Koss iSparks include extra memory foam cushions and a glove-soft carrying case.
Koss Limited Lifetime Warranty
Each Koss product has a Limited Lifetime Warranty, which covers normal use by the initial user or purchaser of this particular Koss product. Koss hereby warrants only to the initial user or purchaser that this Koss product will be free of any defect in materials and workmanship for the life of the product.
This warranty does not apply to any INITIAL USER OR purchaser who allows this product to be used by multiple PERSONS. This warranty is the sole and exclusive warranty for this Koss product and is in lieu of all other warranties (express or implied), including any warranty of merchantability or fitness for a particular purpose.
The sole and exclusive remedies available to the initial user OR PURCHASER for any defects in materials or workmanship shall be the obligation of Koss, at its sole option, to either refund the purchase price of the Koss product, or repair or replace the non-functioning or defective Koss product provided it is returned to Koss in secure packaging together with a check for $9.00 ($10.00 Canadian) to our factory at 4129 N. Port Washington Ave, Milwaukee, WI 53212.
If purchased outside the U.S. contact the local Koss Authorized Dealer for details.
Koss reserves the right to replace any discontinued product with one of equal value. Koss shall not be liable for any loss, injury or damages to persons or property resulting from the use of this product or any failure of or defect in this product, nor shall Koss be liable to the initial user of this product or to any other person or entity for any general, special, direct, indirect, incidental, consequential, exemplary, punitive, or OTHER DAMAGES of any kind or nature whatsoever. The repair or replacement of any non-functioning or defective product or the refund of the purchase price, at Koss' option, shall constitute Koss' only liability to the initial user or purchaser, whether such liability is based on contract, tort, strict liability or otherwise. Some states may not allow the exclusion or limitation of damages set forth herein in which case the above language may not apply to you. This limited warranty gives you specific legal rights and you may also have other rights, which may vary among states or provinces. If usage of this Koss product violates the guidelines of this limited warranty, Koss will repair the product and charge the purchaser for the cost of company time and materials.