1. Here It Comes Redesinging Earphones

2. Contents Problems of Current Earphones 1 Candidate Designs 2 Comparison of Candidate Designs 3 Implementation of Final Design 4

3. Problem of Current Earphones Cables are too long Hassle of dealing with tangled cables… Designs are not customizable Earphones fall off from the ears

4. Goals of re-designing “Earphone” Form Increasing portability, making the product fashionable Function Playing music, etc Acoustic adjustments not considered

5. Contents Problems of Current Earphones 1 Candidate Designs 2 Summary of Candidate Designs 3 Implementation of Final Design 4

6. Candidate Designs Design 2 Design 3 Design 4 Summary Design 1 “Bud Earphone” 1.Advantage: Less possibility of the cables being tangled Short cables enhancing the portability of the product No need to worry about the cables being hooked to other objects and falling off from the ears 2. Disadvantage: Battery life issues Earphones not replaceable 3. Feasibility: Can be made with current Bluetooth technology

7. Design 1 Design 3 Design 4 Summary “Earphone + Glasses” 1.Advantage: No need to carry earphones separately No worry about the cables being tangled up Easy to wear 2. Disadvantage: Weight issues Battery life issues 3. Feasibility: Technically feasible, but making it light enough might not be possible Design 2 Candidate Designs

8. Design 1 Design 2 Design 4 Summary “Folding Earphone” w/o cables 1.Advantage: Able to be folded into a circular Easy to carry 2. Disadvantage: Battery life issues Easy to lose 3. Feasibility: Can be made with current Bluetooth technology Design 3 Candidate Designs

9. Design 1 Design 3 Design 2 Summary “Earingphone” w/o cables 1.Advantage: Fashionable NO cable issues 2. Disadvantage: Battery life issues Easy to lose 3. Feasibility: Can be made with Bluetooth technology Design 4 Candidate Designs

10. Contents Problems of Current Earphones 1 Candidate Designs 2 Summary of Candidate Designs 3 Implementation of Final Design 4

11. Comparison of Candidate Designs Bud Earphone Earphone + Glasses Folding Earphone Earingphone Degree of Design Freedom Average High Feasibility (Y/N) YYYY PortabilityHighLowAverage New to Market?NNNY

12. Contents Problems of Current Earphones 1 Candidate Designs 2 Summary of Candidate Designs 3 Implementation of Final Design 4

13. Functions Wireless Earphone Wireless Earphone Microphone Noise Cancellation Noise Cancellation Descriptions The most basic function Enables users to listen to the music without cables Voice might not be heard because of the distance between ear and mouth Does not support phone calls when used with mobile phones Bluetooth technology might not deliver clear voice Battery life issues Featured Not Featured Not Featured

14. Bluetooth Technology What is “Bluetooth”? Technology for wireless data transmission Advantages of “Bluetooth” technology: No need for cables Low power consumption (peak consumption : 20 mA) Small size Low Cost ($4~$7 for each module) Applications : Music Players, Mobile Phones, etc able to use in any smart devices

15. Size and Weight Iriver BT-S10 33.05 * 33.05 * 15.13(mm) 11.2g Picture Size(W*L*H in mm) Weight Jaybird JF4 33 * 16 * 8(mm) 10g Proposed Product 35 * 35 * 10(mm) 10~12 g per each piece

16. Battery Life Battery to be used PictureDescriptions Expected Battery Life Capacity : 80mAh Dimension : 30 * 20 * 2.5mm (W*L*H) Peak Power Consumption : 20 mA for Bluetooth 4.0 Battery Capacity : 80 mAh  Expected Battery Life : 80mAh ÷ 20mA = 4 hours

17. Price COSYCompany Name PriceKRW 42,000 PLEOMAX KRW 43,000 Fusion FnC KRW 24,000 Expected price range of the product Around KRW 30,000 ~ 40,000

18. Additional Refinements Customized Design Customized design patterns onto the surface of the product Carrying Case Provide a carrying case to prevent users from carrying each piece separately Buttons & LEDs Buttons : Play, Stop, Forward, Rewind LEDs

19. Summary of Specification Size (Dimensions) 35 * 35 * 10 mm (Width * Length * Height) Weight 12g per piece Price Range KRW 40,000 ~ 50,000 Major Advantages No hassle caused by cables Fashionable design Affordable price

20. Thank You!