TIPSY Dunmer PRO In-ear Headphone

Features: 
9.2 mm graphene dynamic driver and 2 balanced armatures
Singel crystal copper cable
Ergonomic resin shell
Multiple color choices
1 year warranty

Specs： 
Brand: Tipsy 
Drivers: 1* 9.2 mm graphene dynamic driver. 2 balanced armatures 
Frequency：20Hz–20000Hz 
Sensitivity：105 dB/mW@1kHz 
Impedance：16Ω@1kHz 
Plug：1/8（3.5mm）Gold Plated Jack 
Cable length：1.2 m