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Specification
AgeRangeDescription : Adult
AudioDriverType : piezoelectric_driver
BatteriesIncluded : 1
BatteriesRequired : 1
BluetoothRange : 10 meters
Brand : ProTechTrader
BulletPoint : USB C Headphones multi-color, perfect choices for your different style match.
BulletPoint1 : Newly Designed Updated Model for 2022 - Featuring a Brass Diaphragm and All Soldered Wire Connections
BulletPoint2 : Redesigned to eliminate connectivity issues and increase reliability allowing you to make electronics projects like Crystal or Transistor Radios without concern for issues plaguing lower quality models
BulletPoint3 : High 20,000 ohm impedance with resistance over 20 million ohms and a capacitance of 15,000 pf
BulletPoint4 : Rated Sensitivity of 57db at 1KHz in the frequency range from 200 to 8,000Hz
BulletPoint5 : New Black Wire Upgraded Piezoelectric Earphone with Classic style highly sensitive molded earpiece and 42-in twisted wire with pre-tinned bare wire connections
BulletPoint6 : Product 2: SWEAT & WATER RESISTANT - Sweat and water resistant with an IPX4 Rating when paired with Shure detachable earphones. Designed to pass rigorous quality and durability testing to ensure they’ll maintain peak performance.
BulletPoint7 : Product 2: SECURE, OVER-EAR FIT - Your earphones stay in place for unmatched, long-wearing comfort even during high-energy activities.
BulletPoint8 : Product 2: ENVIRONMENT MODE - Environment Mode lets you hear the outside world with the touch of a button.
Color : Beige
Compatibility : pc_infra_red
CompatibleDevices : Earphone
ConnectivityTechnology : Wired
ControllerType : Wired Media Control
ControlMethod : touch
ControlType : Media Control
CustomerPackageType : Standard Packaging
EarpieceShape : Ergonomic [RO]
ExternallyAssignedProductIdentifier1 : 789048343323
ExternallyAssignedProductIdentifier2 : 0789048343323
FrequencyResponse : 22000 hertz
HardwarePlatform1 : MP3 Player
HardwarePlatform2 : Smartphone
Hazmat1 : LITHIUM ION BATTERIES PACKED WITH EQUIPMENT
Hazmat10 : CN_SmallLithiumIonBatteryWithEquipment
Hazmat11 : DE_SmallLithiumIonBatteryWithEquipment
Hazmat12 : EG_SmallLithiumIonBatteryWithEquipment
Hazmat13 : ES_SmallLithiumIonBatteryWithEquipment
Hazmat14 : FR_SmallLithiumIonBatteryWithEquipment
Hazmat15 : GB_SmallLithiumIonBatteryWithEquipment
Hazmat16 : IN_SmallLithiumIonBatteryWithEquipment
Hazmat17 : IT_SmallLithiumIonBatteryWithEquipment
Hazmat18 : JP_SmallLithiumIonBatteryWithEquipment
Hazmat19 : MX_SmallLithiumIonBatteryWithEquipment
Hazmat2 : UN3481
Hazmat20 : NL_SmallLithiumIonBatteryWithEquipment
Hazmat21 : PL_SmallLithiumIonBatteryWithEquipment
Hazmat22 : SA_SmallLithiumIonBatteryWithEquipment
Hazmat23 : SE_SmallLithiumIonBatteryWithEquipment
Hazmat24 : SG_SmallLithiumIonBatteryWithEquipment
Hazmat25 : TR_SmallLithiumIonBatteryWithEquipment
Hazmat26 : US_SmallLithiumIonBatteryWithEquipment
Hazmat27 : ZA_SmallLithiumIonBatteryWithEquipment
Hazmat3 : II
Hazmat4 : 9
Hazmat5 : AE_SmallLithiumIonBatteryWithEquipment
Hazmat6 : AU_SmallLithiumIonBatteryWithEquipment
Hazmat7 : BE_SmallLithiumIonBatteryWithEquipment
Hazmat8 : BR_SmallLithiumIonBatteryWithEquipment
Hazmat9 : CA_SmallLithiumIonBatteryWithEquipment
HeadphonesEarPlacement : in_ear
HeadphonesFormFactor : In Ear
HeadphonesJack : 3.5 mm Jack
Impedance : 32 ohm
IncludedComponents : Cable
IncludedComponents1 : Protective Case
IncludedComponents2 : Earphone clip
IncludedComponents3 : eartips
IncludesRechargableBattery : 1
ItemName : Piezoelectric Ear Phone High Impedance Ceramic Piezo Ear Piece for Crystal Radios - Upgraded Brass Diaphram with All Soldered Connections
ItemPackageDimensions_Height : 3.81 centimeters
ItemPackageDimensions_Length : 0.0254 centimeters
ItemPackageDimensions_Width : 3.048 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : in-the-ear-headphones
Manufacturer : ProTechTrader
Material : Acrylonitrile Butadiene Styrene (ABS)
Material1 : Aluminum
Material2 : Plastic
Material3 : Polyester
ModelName : Piezo-Brass-Black-Bare
ModelNumber : Piezo-Brass-Black-Bare
NoiseControl : sound_isolation
NumberOfItems : 1
NumberOfLithiumIonCells : 1
PackageLevel : unit
PartNumber : Piezo-Brass-Black-Bare
ProductDescription : ***Newly Designed Updated Model for 2022***
Brass Diaphragm and ALL soldered wire connections for improved connectivity and reliability

Redesigned to eliminate issues previously found in many piezoelectric earphones Tin Diaphram has been Upgraded to Brass
Conductive Glue (used on lower models) has been replaced with all soldered connections Black Wire is Specific to the upgraded 2022 version

Perfect to make electronics projects like Crystal or Transistor Radios
High 20,000 ohm impedance with resistance over 20 million ohms and a capacitance of 15,000 pf
Rated Sensitivity of 57db at 1KHz in the frequency range from 200 to 8,000Hz
Classic style highly sensitive molded earpiece with 42-in twisted wire with pre-tinned bare wire connections
Classic PiezoElectric Crystal Earpiece for DIY Electronics Kits

Ceramic Earphone Crystal Ear Piece for Transistor and Crystal Radios, Sensitive Electronics Projects, Lab research and other DIY experiments requiring a very sensitive high impedance earpiece.

Piezoelectric earphones are also known as crystal earphones, ceramic earphone, and piezo earpieces are the most sensitive earphones. They are in fact many times more sensitive than even the most sensitive magnetic earphones, dynamic earphones, or electrostatic earphones that you may use on your iPod or iPhone. Sensitive earphones have a very high impedance, which is measured in ohms and should not be used directly with a modern amplified radio. Crystal Earphones are so sensitive and require so little power to operate that you can hear a small 'click' just by touching the two bare leads together.

Crystal radios will not work with modern earphones or 'earbuds' as they are designed to operate with amplified audio sources found in today's electronic devices. Crystal Earphones are used in the construction of the crystal radio and in some science experiments such as listening to electric fish.

ProductSiteLaunchDate : 2021-12-03T08:00:00.000Z
RecommendedUsesForProduct : Gaming, Music
RecommendedUsesForProduct1 : Calling
RecommendedUsesForProduct2 : Exercising
RecommendedUsesForProduct3 : Gaming
RecommendedUsesForProduct4 : Running
Sensitivity : 106 decibels
Size : 50-Pack
SpecificUsesForProduct : Sports and Exercise
SpecificUsesForProduct1 : Business
SpecificUsesForProduct2 : Gaming
SpecificUsesForProduct3 : Travel
StreetDate : 2019-01-04T00:00:01Z
Style : Brass Black Wire
SupplierDeclaredDgHzRegulation : not_applicable
SupplierDeclaredHasProductIdentifierExemption : 1
TargetGender : unisex
TargetRegion : Global
Theme : Music
Theme1 : music
Theme2 : sports
UnitCount : 50
VersionForCountry : US
WarrantyDescription : 90 Days
WaterResistanceLevel : not_water_resistant
WirelessCommunicationTechnology : Wired