Product Review

●Product Introduction
- USTEK is dedicated to providing the best in-ear headphones for each of our customer. USTEK In-Ear headphones generate the greatest sound quality and try the best to produce the best product experience for every music/gym/headphone lover.

●Specification
- Speaker Size: 13.5mm
- Frequency range: 20Hz -20KHz
- Sensitivity: 112 ±3dB
- Impedance: 32 ± 20%Ω
- Plug pin: 3.5mm
- Cable length: 1200 ± 50mm

- Products dimension: 2.9*2.9*1.3 Inch
- Net weight: 1.25 Oz
- Package dimension: 2.9*2.9*1.3Inch
- Package weight: 6.65 Oz

●Compatible with
- iPhone 6, 6S Plus 6, 5S/ 5C/ 5/ 4S/ 4/ 3GS/ 3G
- iPad 4th, 3rd, 2nd, 1st, iPad Mini
- Samsung Galaxy S6, S5, S4, S3, S2, Note 5, Note 4, Note 3, Note 2, Tab Series
- iPod Touch 4th, 5th, Nano7, iPod shuffle
- HTC One M7, M8, Desire X, Series SV, or any other devices with 3.5mm jack or 6.3mm interface.

- Note: These noise blocking headphones' playback is only compatible with iOS devices and some Android devices, but can still use as normal headphone with mic to listen to music and answer phone calls.

●Package Include
- 1 × In Ear Wired Earphone
- 2 × Ear Hooks
- 1 × User Manual

●Customer Service
- If you have any question about the product you received, please contact us without hesitation. We would try our best to help you and improve your purchasing experiences.