Kalsten | Bluetooth Earbud Wireless Mini Invisible Single Ear Headphone

Name: Kalsten | Bluetooth Earbud Wireless Mini Invisible Single Ear Headphone
Brand: Kalsten
SKU: Wiio+11840625639692
Price: 26.99 USD
Availability: InStock

$26.99 $48.00 SAVE $21.01 (44% OFF)

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Bluetooth Earbud for Clear Calls and Discreet, Lightweight Wear

Enjoy simple, everyday audio with a Bluetooth earbud that’s small, light, and easy to use. This wireless earbud delivers clear voice pickup with a condenser mic, a secure semi-open fit for workouts, and push-button volume control. The single ear headphone design keeps one ear free for safety while exercising or commuting. A rechargeable 50 mAh battery and USB charging make it ready for calls, music, and hands-free use on your phone.

Why Choose the Bluetooth Earbud?

Discreet mini design: Low-profile shape sits neatly in your ear for a clean, barely-there look.
Clear call quality: Built-in condenser microphone helps voices sound crisp for hands-free calls.
Simple push-button control: Tap to adjust volume or manage calls without looking at your phone.
Secure for exercise: Semi-open style stays comfortable during running, gym sessions, and daily commutes.
Rechargeable power: 50 mAh lithium-polymer cell recharges via USB for convenient daily use.

Specifications

Type: Wireless single ear earbud (no audio cable)
Control Method: Push-button;
Control Type: Volume control
Earcup Style: Semi-open-back, comfortable fit for adults
Microphone: Built-in condenser microphone for calls
Connectivity: Bluetooth (compatible with cellphones)
Water Resistance: Non-waterproof (keep dry)
Headphone Jack: None (wireless only)
Battery: 50 mAh lithium-polymer, rechargeable
Charging: USB charging; charging from other ports supported
Operating Voltage: 36 V
Recommended Use: Exercising, commuting, hands-free calls
Material: Plastic housing

What’s in the Box?

1 × Wireless Bluetooth earbud (single)
1 × USB charging cable
1 × User guide

Free standard shipping on all orders. No minimum purchase.

Ships to: United States
Processing: 1–4 business days (Mon–Fri)
Transit: 5–10 business days
Total delivery time: 6–14 business days
Order cut-off: 5:00 PM PST

You will receive a tracking number by email once your order ships. Please allow up to 48 hours for tracking to update.

See our full Shipping Policy.

You have 14 days from delivery to request a return.

Email support@open.shop with your order number to start a return.
Items must be unused, complete, and in their original packaging.
Return label: flat $9.99 USD, deducted from your refund — nothing to pay upfront.
Damaged, defective or incorrect items: we cover all return and replacement costs.
No restocking fees.
Exchanges: contact us and mention "exchange" — the new item ships once your return arrives.
Refunds are issued within 7 business days of inspection.

See our full Return Policy.

Questions about your order or our products? We're happy to help.

Open
Hooizolder 214
Drachten Friesland 9205CD
Netherlands

Email: support@open.shop

Customer Service:
Monday to Friday, 8:00 AM – 6:00 PM PST (excluding public holidays)

We reply to all messages within 24 hours on business days. Weekend messages are answered on Monday.

For quick answers, visit our FAQ page or use our Contact Form.

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