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B20-GY
  • B20-GY
  • B20-GY
  • B20-GY
  • B20-GY

B20-GY

A4Tech
20 Hz-20 kHz, 102 dB @ -10 dBFS, 32 ohm, 39g
CHF45.7
Tax included
CHF42.3 Tax excluded
Delivery in several days
Quantity
Will be ordered for you

Description
Hybrid Diaphragm
M.O.C.I. is made of advanced biotechnology with bred nano mycelium and carbon fiber. Featuring 2Drumtek's Signature Sound, pushing out crisp trebles and midrange with deep, satisfying bass.

Bluetooth V5.2
Advanced Bluetooth v5.2 provides a steady connection. Compatible with PC, laptops, mobile phones, tablets, and other devices.

Playback Time 20H
Battery life can last for up to 5-hours per charge. Simply recharge your earphones for another 15-hours playtime with the aluminum charging case.

Control At Your Fingertips
With just finger touch, you can use them to play previous/next song, receive/end calls, enter voice assistant(Siri, etc).

Quick Pairing
Automatically connected to your phone as soon as you pull out from the case after first connecting.


Transmission Independently
The earbuds can take calls using either, or both, of the earbuds. This allows you to alternate their recharging.

Enter Voice Assistant
Go smarter with your favorite voice assistant, Google Assistant and Amazon Alexa and Siri, etc.

Water Resistant (IPX4)
Ideal for those with an active lifestyle, you can work out to your favorite tunes and have the freedom to wear these wireless earbuds during a variety of outdoor activities.

Specifications

Battery

Battery capacity (charging case)380 mAh
Battery operatedYes
Battery recharge time1.5 h
Battery recharge time (charging case)1.5 h
Battery technology (charging case)Lithium
Charging sourceUSB
Continuous audio playback time5 h
Continuous audio playback time (with charging case)20 h
Left earpiece battery capacity40 mAh
Right earpiece battery capacity40 mAh

Headphones

Diaphragm materialCarbon
Driver unit1.3 cm
Headphone frequency20 - 20000 Hz
Headphone sensitivity102 dB
Impedance32 Ω

Microphone

Microphone sensitivity-42 dB
Microphone typeBuilt-in

Packaging content

Cables includedUSB Type-A to USB Type-C
Charging caseYes

Performance

Colour nameAsh Grey
Control typeTouch
Control unit typeOn-ear control unit
International Protection (IP) codeIPX4
Product colourGrey
Product typeHeadset
Protection featuresWater resistant
Recommended usageCalls/Music
Wearing styleIn-ear

Ports & interfaces

BluetoothYes
Bluetooth version5.2
Connectivity technologyTrue Wireless Stereo (TWS)
Wireless range10 m

Power

USB Type-C charging portYes

Vendor information

Brand NameA4Tech
Warranty1

Weight & dimensions

Charging case dimensions (W x D x H)63 x 26 x 52 mm
Ear pad dimensions (W x D x H)6 x 20 x 34 mm
Left earpiece weight4 g
Right earpiece weight4 g
Product Details
2026-07-09
New

Data sheet

Continuous audio playback time
5 h
Battery operated
Yes
Produktart
Headset
Internationaler Schutzcode (IP)
IPX4
Wearing style
In-ear
Headphone frequency
20 - 20000 Hz
Bluetooth
Yes
Ladezeit des Akkus
1.5 h
Kabel enthalten
USB Type-A to USB Type-C
Schutzfunktionen
Water resistant
Bluetooth-Version
5.2
Konnektivitätstechnologie
True Wireless Stereo (TWS)
Empfohlene Verwendung
Calls/Music
Impedanz
32 Ohm
Drahtlose Reichweite
10 m
Brand Name
A4Tech
Warranty
1
Produktfarbe
Grey
Steuerungstyp
Touch
USB Type-C charging port
Yes
Farbname
Ash Grey
Ladequelle
USB
Kopfhörerempfindlichkeit
102 dB
Mikrofonempfindlichkeit
-42 dB
Fahrereinheit
1.3 cm
Mikrofontyp
Built-in
Steuergerätetyp
On-ear control unit
Akkukapazität der linken Hörmuschel
40 mAh
Akkukapazität der rechten Hörmuschel
40 mAh
Akkuladezeit (Ladekoffer)
1.5 h
Akkutechnik (Ladekoffer)
Lithium
Abmessungen Ohrpolster (B x T x H)
6 x 20 x 34 mm
Ladekoffer
Yes
Abmessungen Ladebox (B x T x H)
63 x 26 x 52 mm
Gewicht der linken Hörmuschel
4 g
Gewicht der rechten Hörmuschel
4 g
Membranmaterial
Carbon
Akkukapazität (Ladekoffer)
380 mAh
Kontinuierliche Audiowiedergabezeit (mit Ladekoffer)
20 h

Specific References

MPN
B20-GY
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