FAQs

Orders ship within 48 hours from a local hub, and tracking is emailed. Estimated delivery is 2-5 business days; timelines are estimates and may vary.

If shipping is delayed, you will be notified by email with a new estimate and can choose to accept it or cancel for a full refund. If tracking shows delivered but you did not receive it, contact support within 7 days for investigation and possible replacement or refund.

• Missing products: If any products are missing from your order, please contact us. After we verify the issue, we will offer you the choice: a refund for the missing part, or sending you the missing products at no additional cost.
• Incorrect products: If you received incorrect products (e.g., wrong size, wrong color, or completely different products than you ordered), please contact us. We will offer you the choice: a refund, or sending you the correct products as a replacement.
• Damaged products: If your products arrive damaged or defective, please contact us. We will offer you the choice: a refund, or sending you a replacement.

For products bought through this website, you have 30 days to request a return after your order is received.

Please contact us at [email protected] to start a return for your order.

To be eligible for a full refund, returned products must be in their original, undamaged condition, with all original packaging, manuals, and accessories included. Products returned with damage, heavy use, or missing parts may be subject to a partial refund or rejected.

Please note that we will bear the direct cost of shipping the products back to us.

You shall send back the products to us without undue delay and in any event not later than 14 days from the day on which you receive the return authorization from our customer service team.

We will process your refund within 3 business days after we receive and inspect the returned products.

We will issue the refund via your original payment method.

Returns are not accepted for customized items, unsealed hygiene-sensitive products, or unsealed software.

The frequency range is 10Hz-20kHz. EQ adjustment is supported in the app, with the default slider centered at 0. If audio freezes after changing EQ on some phones, exit the app and resume playback (the EQ setting will still apply). Frequency bands are: low <200Hz, mid 200Hz-2.5kHz, high >2.5kHz.

AAC is supported; iPhone uses AAC by default after connecting. On Android, AAC may need to be enabled in developer/Bluetooth settings, and some devices do not support AAC.

White noise can occur in speakers/headphones during device operation. It is common in TWS when noise reduction is on and is not a quality issue.

Latency is about 200ms to keep audio and video in sync.

The earbuds can be adjusted to a comfortable position without affecting glasses, and glasses do not affect sound quality.

The materials comply with regulations and certifications, and there is an ongoing commitment to safer, more comfortable materials.

Ear-contact surfaces use soft silicone/medical-grade liquid silicone rubber, and a titanium wire skeleton inside improves comfort for long wear.

The touch panel supports playlist switching, play/pause, call answer/reject, volume control, and voice assistant.

It works as a standard Bluetooth headset; during meetings on a computer, switch to Hands-Free call mode.

Add the device via the app; features include battery quantity, sound balance, hearing protection, EQ, touch gesture settings, and a user guide.