Philips SHE3905BK Headphones details from amazon

Small efficient speakers for Philips earphones ensure an exact fit and deliver precise sound with powerful bass, ideal for your listening enjoymentWith a choice of 3 interchangeable ear caps from size small to large, surely there is a pair that makes these Philips earphones fit your ear perfectlySound Type: Dynamic, Frequency response: 12 - 23 500 Hz, Impedance: 16, ohmMaximum power input: 20 MW, Sensitivity: 103 dB, Speaker diameter: 8.6 mm, Cable length: 1.2 mThe Super-small speaker drivers of these Philips earphones fit comfortably inside the ear and thanks to the exceptionally snug fit the outside noise is sealed out for high-intensity listening experienceTo extend product life, soft rubber between headphones and cable protects cable connection from damage through repeated bending.

“Tight bass, lightweight, inexpensive” “Very pleasant sound signature, comfortable for many ear shapes and sizes, incredible value”

“Tight bass, lightweight, inexpensive” “Very pleasant sound signature, comfortable for many ear shapes and sizes, incredible value”Small efficient speakers for Philips earphones ensure an exact fit and deliver precise sound with powerful bass, ideal for your listening enjoymentWith a choice of 3 interchangeable ear caps from size small to large, surely there is a pair that makes these Philips earphones fit your ear perfectlySound Type: Dynamic, Frequency response: 12 - 23 500 Hz, Impedance: 16, ohmMaximum power input: 20 MW, Sensitivity: 103 dB, Speaker diameter: 8.6 mm, Cable length: 1.2 mThe Super-small speaker drivers of these Philips earphones fit comfortably inside the ear and thanks to the exceptionally snug fit the outside noise is sealed out for high-intensity listening experienceTo extend product life, soft rubber between headphones and cable protects cable connection from damage through repeated bending.