In stock



In stock


The Audio Technica ATH-CKS50TW wireless earbuds redefine convenience without compromising on sound quality. Engineered with specially designed 9 mm drivers, these earbuds deliver crystal-clear audio with rich, powerful bass. With an emphasis on seamless operation and extended battery life, these truly wireless earbuds are perfect for music lovers on the go.
Read More Read Less

Specially developed 9 mm drivers for clear, full-range audio with enhanced bass

Up to 20 hours of continuous playback on a single charge, with fast-charging capability providing 90 minutes of use in just 10 minutes

Multipoint pairing function enables simultaneous connection to two Bluetooth devices

Intuitive buttons on each earbud for effortless control of music playback, volume adjustment, calls, and noise-cancelling functions

Low latency mode ensures smooth synchronization between audio and video for seamless streaming and gaming experiences

Hybrid eartip structure combines soft and hard silicone materials for a secure, comfortable fit and superior sound performance

Selectable hear-through function allows ambient sounds to be heard for increased awareness of surroundings

A-T Connect app offers additional customization options, including EQ adjustments, volume balance control, and codec selection

Flexible dual- or single-ear usability for personalized comfort and convenience

Automatic power-on when removed from the charging case, with Google Fast Pair for quick pairing with Android devices

Qualcomm® cVc™ Generation 8.0 technology ensures excellent call quality, while sidetone circuitry enhances conversational clarity

Compatibility with high-quality audio codecs, including Qualcomm® aptX™ Adaptive audio, Qualcomm® aptX™ audio, and AAC

Certified compatibility with Sony’s 360 Reality Audio for an immersive listening experience

Rain and water splashproof design (IPX4-equivalent) for worry-free use in various environments


Type Dynamic
Driver Diameter 9 mm
Frequency Response 5 to 20,000 Hz
Sensitivity 110 dB/mW
Impedance 20 ohms
Weight Headphones: Approx. 8 g (0.28 oz) (L side), approx. 8 g (0.28 oz) (R side); Charging case: Approx. 60 g (2.1 oz)
Charging Time Headphones: Approx. 3 hours
Charging case: Approx. 3 hours
The figures above depend on operating conditions.
Operating Temperature 5 °C to 40 °C (41 °F to 104 °F)
Operating Time Continuous transmission time (music playback): Max. approx. 20 hours (headphones), Max. approx. 50 hours (if charging case is used in combination)
The figures above depend on operating conditions.
Microphone Type MEMS type
Microphone Sensitivity -38 dB (1 V/Pa, at 1 kHz)
Microphone Frequency Response 100 to 8,000 Hz
Microphone Polar Pattern Omnidirectional
Power Supply Headphones: DC 3.7 V lithium ion battery
Charging case: DC 3.7 V lithium ion battery
Water-Resistant (drip-proof) Performance IPX4
Headphones only
Accessories Included USB charging cable (30 cm (12″), USB Type-A / USB Type-C), Eartips (XS, S, M, L)
Notes For product improvement, the product is subject to modification without notice.
Bluetooth® Version Bluetooth version 5.2
Operating Range Line of sight – approx. 10 m (33′)
Maximum RF Output 10 mW EIRP
Frequency Band 2.402 GHz to 2.480 GHz
Modulation Method GFSK, Pi/4DQPSK, 8DPSK
Spread Spectrum Method FHSS
Compatible Bluetooth Profiles A2DP, AVRCP, HFP
Support Codec Qualcomm® aptX™ Adaptive audio, Qualcomm® aptX™ audio, AAC, SBC
Supported Content Protection Method SCMS-T
Supported Sample Rates 44.1 kHz, 48 kHz
Supported Bit Rates 16 bit, 24 bit
When using Qualcomm® aptX™ Adaptive audio.
Transmission Band 20 to 20,000 Hz

Welcome Back!


Password Requirements:

  • At least 8 characters
  • At least 1 lowercase letter
  • At least 1 uppercase letter
  • At least 1 numerical number