Key Features

  • 10.7mm Drivers
  • Built-In Rechargeable Battery
  • Up to 7 Hours of Playback
  • Wireless Bluetooth 4.1 with aptX & AAC


The ATH-CKR55BT Sound Reality Wireless In-Ear Headphones from Audio-Technica are designed to provide you with high-quality audio while on the go. They feature a built-in amplifier, machined brass stabilizers, and support for aptX and AAC audio codecs. Altogether they are meant to reduce vibration for clearer mids and highs, as well as an overall powerful, full-range audio experience.

The Sound Reality headphones receive your favorite music or podcasts wirelessly via Bluetooth-compatible mobile devices. They also incorporate a built-in microphone that can be used with your smartphone for hands-free calling. The earbuds are connected via a cable that features convenient in-line controls for your calls and audio playback, as well as the battery case, which can be comfortably attached to a shirt collar via the included battery clip.


Additional Features

LiPo battery for up to 7 hours of playback on a full charge
Compact earbud housings to help comfortably fit many different ear sizes
Four differently sized pairs of silicone eartips for a better fit and sound isolation



Driver Size 0.42" / 10.7 mm
Active Noise Cancellation None
Design In-Ear (Intra-aural), Behind-the-Neck


Frequency Response 5 Hz to 35 kHz (Wireless)
Sensitivity 103 dB at 103 mW
Impedance 16 Ohms
Noise Attenuation None
Controls/Microphone Location Cable
Storage Capacity None



Type Condenser
Pickup Pattern Omnidirectional
Frequency Response 100 Hz to 10 kHz
Sensitivity -44 dB at 1 kHz / 1 V


Wireless Connectivity

Supported Audio Codecs AAC, SBC, aptX
Bluetooth 4.1
Wireless Range 33' / 10.1 m
NFC None



Battery Chemistry Lithium-Ion Polymer (LiPo)
Runtime 7 Hours (BT)
200 Hours (Standby)
Recharge Time 3 Hours
DC Input Power 3.7 VDC



Weight 0.6 oz / 17.01 g


Packaging Info

Package Weight 0.35 lb
Box Dimensions (LxWxH) 6.4 x 5.2 x 2.2"

Audio-Technica Consumer ATH-CKR55BT Sound Reality Wireless In-Ear Headphones

$79.95 Regular Price
$29.95Sale Price

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