K30 Collar Clip Bluetooth Earphone – Wireless Hands-Free Headset

K30 Retractable Collar Clip Bluetooth Earphone – Single-Side Wireless Headset

Meet the K30 Collar Clip Bluetooth Earphone — the smart, hands-free solution for car driving, workouts, and business calls. Its innovative retractable collar clip design keeps the earpiece within reach at all times, letting you answer calls or enjoy audio without fumbling with your pocket or bag.

Why You'll Love the K30

• Retractable Collar Clip Design: Clips securely to your collar or lapel — the earphone retracts neatly when not in use, so it's always ready when you need it.
• Single-Side Wireless Freedom: Stay aware of your surroundings while staying connected — ideal for driving, cycling, or any activity where situational awareness matters.
• Full-Range Audio (20Hz–20,000Hz): Dynamic dual drivers deliver crisp, clear sound across the entire audible spectrum.
• Sound Isolating In-Ear Fit: Reduces ambient noise for cleaner call quality and more immersive listening.
• Touch & App Control: Intuitive touch controls and app compatibility put volume, calls, and playback at your fingertips.
• Volume Control Built-In: Adjust audio levels on the fly without reaching for your phone.
• Waterproof Construction: Sweat and splash resistant — confidently wear it through workouts or light rain.
• Fast 1-Hour Charge: Charges quickly via the included charging case so you spend more time listening and less time waiting.
• Certified & Safe: CE, RoHS, and FCC certified for peace of mind.
• Low Impedance (up to 32Ω): Compatible with a wide range of Bluetooth devices for clear, stable output.
• 15mW Maximum Speaker Output: Powerful enough for clear, room-filling audio in your ear.

Technical Specifications

• Connectivity: Bluetooth (Wireless)
• Style: TWS In-Ear / Single-Side
• Frequency Response: 20Hz – 20,000Hz
• Impedance: Up to 32Ω
• Number of Drivers: 2 (Dynamic)
• Speaker Max Output Power: 15mW
• Audio Latency: 5ms
• Charging Time: ~1 Hour
• Material: ABS
• Waterproof: Yes
• Sound Isolating: Yes
• Volume Control: Yes
• Control Method: Touch & App
• Certifications: CE, RoHS, FCC
• Department: Unisex Adult
• Made in: Mainland China

What's in the Box

• K30 Collar Clip Bluetooth Earphone
• Charging Case
• Charger
• User Manual

Perfect For

• 🚗 Hands-free car driving calls
• 🏋️ Workouts, running & cycling
• 💼 Business calls on the go
• 🎧 Everyday wireless listening

Looking for more accessories and gadgets for your active lifestyle? Check out our Clip-On Car Fan with LED Display for in-car comfort, or browse our 360° Bicycle Chain Cleaner Tool for cycling essentials.

Learn more: ENERGY STAR product efficiency guidance

Frequently Asked Questions

Q: How does the K30 retractable collar clip Bluetooth earphone work?

A: The K30 features a retractable cable mechanism built into a collar clip. You clip the device to your collar or lapel, and the earphone extends to your ear when needed. When not in use, the cable retracts into the clip body, keeping everything tidy and tangle-free. Bluetooth wireless connectivity pairs it with your phone or device instantly.

Q: Is the K30 Bluetooth earphone suitable for driving and hands-free calls?

A: Yes — the K30 is specifically designed for hands-free use while driving, working out, or handling business calls. Its single-side design keeps one ear free for awareness of your surroundings, and the touch controls make answering or ending calls effortless without touching your phone.

Q: Is the K30 earphone waterproof — can I use it during workouts?

A: Yes, the K30 is waterproof, making it sweat-resistant and suitable for gym sessions, running, cycling, and other physical activities. Its secure collar clip hold also ensures it stays in place during movement.

Q: What devices is the K30 Bluetooth earphone compatible with?

A: The K30 uses standard Bluetooth wireless technology and is compatible with virtually all Bluetooth-enabled smartphones, tablets, and other devices — including Android and iOS platforms.