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HEADPHONES

Sony WH-CH520 · One Piece Black

UK WHCH520BO.CE7 · One Piece Black

Manufacturer acoustic construction
Closed
Manufacturer headphone mass
147 g
Manufacturer connection declarations
INPUT(S) (No); Bluetooth wireless

Manufacturer specifications for Sony WH-CH520, part WHCH520BO.CE7, listed by Sony UK.

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THE ACTUAL PRODUCT
Sony WH-CH520 in One Piece Black, official image for WHCH520BO.CE7
Official product image · Image source detailsProduct imagery does not establish a retailer’s bundle or condition.
Compare with Sony WH-CH530 · Black
Explore alternativesUpgrade from this product

Specifications checked 19 Oct 2026Manufacturer specifications, not a hands-on test.

Options worth comparing

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The nearest checked headphones by key specifications, with what differs from the Sony WH-CH520 · One Piece Black. The first matches the Compare button above.

The useful part.

Key strengths

The manufacturer identifies this exact regional configuration and supplies its own product image.

Manufacturer source
The checks that matter.

Before you buy

These are manufacturer claims. Unlisted capabilities remain unknown, and battery modes, headphone mass and separate charging-case measurements retain their source conditions.

Manufacturer source
Every specification. With its source.

Full specifications

Suggest a correctionOur publishing standard

Exact configuration: UK WHCH520BO.CE7 · One Piece Black

25 specifications in 6 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.

Design & fit

5 items
Manufacturer acoustic construction
Closed

General Features / HEADPHONE TYPE: Closed

Source
Manufacturer wearing style
Not listed by the manufacturer

Not listed by the manufacturer in the captured full model specifications and exact-variant declarations.

Source
Manufacturer headphone mass
147 g

Size & Weight / WEIGHT: Approx. 147g

Source
COLOUR
Pink Yellow Blue Beige White Black One Piece Black One Piece White

Literal manufacturer model-column row: COLOUR: Pink Yellow Blue Beige White Black One Piece Black One Piece White. These are model-wide finish options; the exact selected part’s finish is listed separately.

Source
Manufacturer finish
One Piece Black

Exact selected manufacturer part’s finish, not every colour offered for the model.

Source

Connections & battery

9 items
Manufacturer connection declarations
INPUT(S) (No); Bluetooth wireless

Original analogue/USB inputs and Bluetooth version declarations remain separate. A connector does not establish every host protocol or a microphone path. General Features / INPUT(S): No; Bluetooth® Specification / BLUETOOTH® VERSION: Bluetooth Specification Version5.2

Source
Manufacturer battery declarations and conditions
BATTERY CHARGE TIME (Approx. 3H); BATTERY CHARGE METHOD (USB (Type-C)); BATTERY LIFE(CONTINUOUS COMMUNICATION TIME) (Max. 40H); BATTERY LIFE(WAITING TIME) (Max. 200H)

Music playback, communication, waiting, charging and NC modes retain their separate source labels. A communication figure is not music-playback endurance; charging-case endurance is separate. Battery / BATTERY CHARGE TIME: Approx. 3H; Battery / BATTERY CHARGE METHOD: USB (Type-C); Battery / BATTERY LIFE(CONTINUOUS COMMUNICATION TIME): Max. 40H; Battery / BATTERY LIFE(WAITING TIME): Max. 200H

Source
Manufacturer-listed Bluetooth audio formats
SBC, AAC

Bluetooth® Specification / SUPPORTED AUDIO FORMAT(S): SBC, AAC

Source
Manufacturer-listed Bluetooth profiles
A2DP, AVRCP, HFP, HSP

Bluetooth® Specification / PROFILE: A2DP, AVRCP, HFP, HSP

Source
Manufacturer Bluetooth version
5.2

Bluetooth® Specification / BLUETOOTH® VERSION: Bluetooth Specification Version5.2. A version alone does not establish every optional protocol or host feature.

Source
Manufacturer passive operation
No

General Features / PASSIVE OPERATION: No

Source
Bluetooth® Specification — EFFECTIVE RANGE
10m

Literal manufacturer model-column row: Bluetooth® Specification / EFFECTIVE RANGE: 10m

Source
Bluetooth® Specification — FREQUENCY RANGE
2.4GHz band (2.4000GHz-2.4835GHz)

Literal manufacturer model-column row: Bluetooth® Specification / FREQUENCY RANGE: 2.4GHz band (2.4000GHz-2.4835GHz)

Source
Bluetooth® Specification — SUPPORTED CONTENT PROTECTION
SCMS-T

Literal manufacturer model-column row: Bluetooth® Specification / SUPPORTED CONTENT PROTECTION: SCMS-T

Source

Audio specifications

6 items
Bluetooth frequency-response conditions
20Hz-20,000Hz (44.1kHz Sampling)

General Features / FREQUENCY RESPONSE(BLUETOOTH® COMMUNICATION): 20Hz-20,000Hz (44.1kHz Sampling)

Source
Manufacturer driver diameter
30 mm

General Features / DRIVER UNIT: 30mm. A driver diameter is not a sound-quality score.

Source
General Features — DSEE Extreme
No

Literal manufacturer model-column row: General Features / DSEE Extreme: No

Source
General Features — DSEE HX
No

Literal manufacturer model-column row: General Features / DSEE HX: No

Source
General Features — DSEE
Yes

Literal manufacturer model-column row: General Features / DSEE: Yes

Source
General Features — S-Master HX
No

Literal manufacturer model-column row: General Features / S-Master HX: No

Source

Calls & noise control

3 items
Active noise cancellation
Not listed by the manufacturer

Not listed by the manufacturer in the captured full model specifications and exact-variant declarations.

Source
Microphone
Not listed by the manufacturer

Not listed by the manufacturer in the captured full model specifications and exact-variant declarations.

Source
General Features — AMBIENT SOUND MODE
No

Literal manufacturer model-column row: General Features / AMBIENT SOUND MODE: No

Source

Software & controls

1 item
General Features — VOLUME CONTROL
Yes

Literal manufacturer model-column row: General Features / VOLUME CONTROL: Yes

Source

In the box

1 item
Summary — WHAT'S IN THE BOX
USB Cable

Literal manufacturer model-column row: Summary / WHAT'S IN THE BOX: USB Cable

Source
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Sony WH-CH520 in White, official image for WHCH520W.CE7Sony WH-CH520UK WHCH520W.CE7 · WhiteCompare the two Sony WH-CH520 in Black, official image for WHCH520B.CE7Sony WH-CH520UK WHCH520B.CE7 · BlackCompare the two Sony WH-CH520 in Blue, official image for WHCH520L.CE7Sony WH-CH520UK WHCH520L.CE7 · BlueCompare the two Sony WH-CH520 in Beige, official image for WHCH520C.CE7Sony WH-CH520UK WHCH520C.CE7 · BeigeCompare the two Sony WH-CH520 in One Piece White, official image for WHCH520WO.CE7Sony WH-CH520UK WHCH520WO.CE7 · One Piece WhiteCompare the two Sony WH-CH520 in Yellow, official image for WHCH520Y.CE7Sony WH-CH520UK WHCH520Y.CE7 · YellowCompare the two Sony WH-CH520 in Pink, official image for WHCH520P.CE7Sony WH-CH520UK WHCH520P.CE7 · PinkCompare the two Sony WH-CH530 in White, official image for WHCH530W.CE7Sony WH-CH530UK WHCH530W.CE7 · WhiteCompare the two
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