Monster  Powerbeats headset unit shell is silver, is actually in-ear design, but it looks like combination of earplugs type and in-ear type,  stretching out a in-ear unit in the front of the ear plugs,there are five small hole to balance air pressure

Packing list

Rubber coating 3 pcs, ears hanging , storage box 1 pcs, headset 1 pcs

detailed paramenter

model number: Power Beats

type: earplug

ear-hanging type

interface type: straight type

response rate:108db

line length: value="1.2" tcsc="0" unitname="m" w:st="on">1.2m

Line type: bilateral equal-length line

Audio Frequency Interface: value="3.5" tcsc="0" unitname="mm" w:st="on">3.5mm audio frequency interface

basic information

product size: 20.8 x 15.4 x value="5.6" tcsc="0" unitname="cm" w:st="on">5.6 cm

product weight: value="499" tcsc="0" unitname="g" w:st="on">499 g

delivery weight:value="499" tcsc="0" unitname="g" w:st="on">499 g