POLK AUDIO UltraFit500 In-Ear Headphones Black/Yellow

UltraFit 500 Technical Specifications
Style     In Ear Bud
Frequency Response     18Hz-23Khz
Sensitivity     118db
Impedance     16 ohms
Transducer Type     Dynamic Balance®
Transducer Diameter     14.2mm
In Line 3 button Remote Control     No
Built-in Microphone     No
Input Connections     3.5mm
Approx. Weight     0.5oz (14gm)
Finishes     Black & Red, Black & Yellow, White & Grey, White & Orange
Parts & Labor     Warranty 1 Year
Included Cables     11.4" Round, 14" Flat, 41" Flat
Included Ear Tips     3 Pairs StayFit™ Silicone Ear Tips (S/M/L)
Included Accessories     Moisture Resistant Soft Case, Shirt Clip, Quick Star Guide and Manual

Driver Diameter: 35mm
Impedance: 32'
Frequency Response: 20-
20KHz
Sensitivity (S.P.L.): 100±3dB
Input Plug Diameter: 3.5mm
and 3.5mm iPhone® included.

Τechnical Specifications
Style     On Ear Behind the Neck Band
Frequency Response     20Hz-23Khz
Sensitivity     105db
Impedance     32 ohms
Transducer Type     Dynamic Balance®
Transducer Diameter     30mm
Built-in 3-button Remote Control (iPhone, iPod, iPad*)     Yes
Built-in Microphone     Yes, In-Line
Input Connections     3.5mm
Approx. Weight     2.5oz (71gm)
Finishes     Black & Red, White & Orange
Parts & Labor     Warranty 1 Year
Included Cables     46" Flat
Included Ear Pads     MicroFoam, Silicon, Shearling
Included Accessories     Nokia® Adapter, Moisture Resistant Soft Case, Shirt Clip, Quick Start Guide and Manual

UltraFit 3000 Technical Specifications
Style     In Ear Canal
Frequency Response     8Hz-24Khz
Sensitivity     118db
Impedance     16 ohms
Transducer Type     Dynamic Balance®
Transducer Diameter     6mm
In Line 3 button Remote Control (iPhone, iPod, iPad*)     Yes
Built-in Microphone     Yes, In-line
Input Connections     3.5mm
Approx. Weight     0.4oz (11gm)
Finishes     Black & Red, White & Orange
Parts & Labor     Warranty 1 Year
Included Cables     13.4" Round, 14" Flat, 41" Flat
Included Ear Tips     Silicon Single Flange S/M/L, Silicon Triple Flange S/L, Memory Foam S/L
Included Accessories     Nokia® Adapter, Moisture Resistant Soft Case, Shirt Clip, Quick Start Guide and Manual

Technical Data
Frequency response:    10-20,000 Hz
Connector:    1/8 inch (3.5mm) right angle
Sound Pressure Level:    125 dB
Impedance:    16 ohms
Total Harmonic Distortion:   

Advanced driver design for extended full range sound.
Solid, precision-machined single-billet metal housing cancels unwanted vibrations for the purest sound.
Hard chrome finish keeps headphones shinning like they did day one; no polish needed.
Rugged strain relief protects the cable and withstands heavy-duty use.
Adjustable ear hooks keeps earphones in place comfortably for active lifestyles

User's Manual