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The general trademark of a manufacturer by which the consumer knows its products. A manufacturer can have multiple brand names. Some manufacturers license their brand names to other producers.
Product name:
Product name is a brand's identification of a product, often a model name, but not totally unique as it can include some product variants. Product name is a key part of the Icecat product title on a product data-sheet.
Wireless Style FM Headphones MDR-RF820RK
Product code :
The brand's unique identifier for a product. Multiple product codes can be mapped to one mother product data-sheet if the specifications are identical. We map away wrong codes or sometimes logistic variants.
Category :
Headphones come in all sorts of designs and qualities, so you will surely be able to find your perfect pair in our database!
Data-sheet quality: created/standardized by Icecat
The quality of the product data-sheet can be on several levels:
only logistic data imported: we have only basic data imported from a supplier, a data-sheet is not yet created by an editor.
created by Sony: a data-sheet is imported from an official source from a manufacturer. But the data-sheet is not yet standardized by an Icecat editor.
created/standardized by Icecat: the data-sheet is created or standardized by an Icecat editor.
Included since: 01 Jul 2005
The date Icecat noticed for the first time that this product was included in the price list of a channel partner
Info modified on: 21 Dec 2015 23:29:38
The date of the most recent change of this product data-sheet in Icecat.
Product views: 6655
This statistic is based on the 61915 using ecommerce sites (eshops, distributors, comparison sites, ecommerce ASPs, purchase systems, etc) downloading this Icecat data-sheet since 01-07-05 Only sponsoring brands are included in the free Open Icecat content distribution as used by 60276 free Open Icecat users .
Long product name Sony Wireless Style FM Headphones MDR-RF820RK:
The short editorial description of Sony Wireless Style FM Headphones MDR-RF820RK
Wireless Style FM Headphones MDR-RF820RK

Marketing text Sony Wireless Style FM Headphones MDR-RF820RK

The official marketing text of Sony Wireless Style FM Headphones MDR-RF820RK as supplied by the manufacturer
Wireless open-air style FM headphones with long battery life and an incredible 100m range.

RF wireless headphones
Auto-rechargeable function by placing the headphones on the standing transmitter
Battery playback time up to: - 18 hrs with rechargeable batteries - 28 hrs with Sony Alkaline batteries
Volume Control on Headphones
3-channel transmission
RF Transmission range: up to 100 m
Short summary description Sony Wireless Style FM Headphones MDR-RF820RK:
This short summary of the Sony Wireless Style FM Headphones MDR-RF820RK data-sheet is auto-generated and uses the product title and the first six key specs.
Sony Wireless Style FM Headphones MDR-RF820RK, 20 - 20000 Hz, RF, ferrite, Wireless, AAA, Ni-MH
Long summary description Sony Wireless Style FM Headphones MDR-RF820RK:
This is an auto-generated long summary of Sony Wireless Style FM Headphones MDR-RF820RK based on the first three specs of the first five spec groups.
Sony Wireless Style FM Headphones MDR-RF820RK. Headphone frequency: 20 - 20000 Hz, Driver unit: 3 cm, Magnet type: ferrite. Connectivity technology: Wireless, Wireless range: 100 m. Battery life (max): 28 h, Battery type: AAA, Ni-MH. Weight: 270 g. Wireless technology: RF
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Headphone frequency*
The range of frequencies (low to high sounds) that the headphones can produce.
20 - 20000 Hz
Driver unit
3 cm
Magnet type
Type of magnet e.g. neodymium.
Ports & interfaces
Connectivity technology*
Wireless range
100 m
Battery life (max)
Maximum battery life. Mobile Mark™ (2002) is the standard often used to benchmark battery life time.
28 h
Battery type
Description of battery supplied with the product, such battery form factor (e.g. AA/AAA).
Weight & dimensions
Weight *
Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
270 g
Other features
Wireless technology
Technology that communicates with other devices without a physical connection e.g. radio, WiFi.
Channels quantity
The number of channels the device has. There can be an individual input or output for each channel.
I/O ports
An interface on a device to which you can connect another device.
On transmitter:
Stereo mini jack input
RCA jack input