CPSC recall 21-110, announced April 14, 2021, covers Audio-Technica U.S. Charging Cases Sold with Audio-Technica Wireless Headphones, Model ATH-CK3TW (about 7,450 units). The portable charging cases can overheat, posing a fire hazard. Consumers should immediately stop using the charging cases and contact Audio-Technica for instructions on returning the charging cases for a free replacement charging case. Recall contact: call 800-518-2520, or email recall@atus.com.
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Compare the model on your label, then check any serial numbers, date codes, and exclusions in the notice. A model match alone does not confirm that your unit is included.
Affected model numbers
The model number is printed on the rear of the charging case.
Which products are included?
This recall involves the charging cases sold with Audio-Technica Wireless Headphones, Model ATH-CK3TW. The charging cases are made of plastic and were sold in black, blue, white and red colors. All colors of the charging cases will be replaced. The model number is printed on the rear of the charging case.
Confirm these details on the official CPSC noticeWhat to look for
- Model numbers
- One listed. Yours must match it exactly.
- Where to look
the rear of the charging case
(the notice’s words)- When sold
- December 2019 through February 2021
- Where sold
- Amazon, among the sellers the notice names
- Price paid
- $100 to $120
Why it was recalled
The portable charging cases can overheat, posing a fire hazard.
Incidents and injuries
The firm has received four reports of incidents of the charging cases overheating, all outside of the United States. These incidents resulted in damage to the charging cases and to the surfaces on which charging occurred. No injuries have been reported.
Official remedy
Consumers should immediately stop using the charging cases and contact Audio-Technica for instructions on returning the charging cases for a free replacement charging case. Audio-Technica will provide consumers with a prepaid return shipping label and will send consumers a replacement charging case upon receipt of the returned case.
What to do now
- Check the label. Compare your model number with the one listed in this recall.
- Stop using it. The notice says to stop using recalled units immediately.
- Contact the firm. Call 800-518-2520, or email recall@atus.com.
- Get the remedy. This recall offers a replacement. The notice says the remedy is free.
- Read the official notice. The CPSC notice is the final word on which units are included and what to do.
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Product and sales details
- Brand
- Audio-Technica U.S.
- Product type
- Battery chargers
- Recall number
- 21-110
- Units
- About 7,450
- Manufactured in
- China
- Sold at / sales period
- American Musical Supply, Inmotion Entertainment Group, Micro Electronics, Music and Arts Center stores and other retailers nationwide and online at Amazon.com and audio-technica.com from December 2019 through February 2021 for between $100 and $120.
- Importer
- Audio-Technica U.S. Inc., of Stow, Ohio
This recall in context
Compared with the 124 battery charger recalls in this index, as of October 31, 2026.
- Size
- 7,450 units: the 74th-largest of 114 battery charger recalls that state a unit count. The median is 27,400 units.
- Hazard
- Fire: named in 92 of 124 battery charger recalls, the most common hazard among them.
- Remedy
- Replacement: offered in 25 of 124 battery charger recalls, the most common remedy.
- Time on sale
- 15 months. Recalled 2 months after the last month of sales the notice gives.
Recall contact information
Audio-Technica at 800-518-2520 from 12 p.m. to 7 p.m. ET Monday through Friday, by email at recall@atus.com or online at audio-technica.com and click on "Recall" for more information.
Verify phone numbers, hours, and websites on the current CPSC notice before contacting the firm.
Know someone who has one?
Recalls only work when owners hear about them. Send this notice to family or friends who might own the same product.
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