Sennheiser MX W1
Sennheiser's MX W1s are a set of in-ear headphones that resemble the average Bluetooth headset.
Below is the side view of the MX W1s. The big ear piece is the ear bud and the small rubber bit above it helps stabilize the headphones in your ear.
Since Sennheiser is nice, they've provided a helpful diagram of just what all these parts are (it can be found Read More...
|Sensitivity (at 1 kHz)||115 dB|
|Impedance (at 1 kHz)||32.0 Ohm|