CH-3C Electronics L21 Mini Mini TWS Wireless Earphones: Bluetooth 5.0 connectivity
For the active American who needs reliable sound on the go, these wireless earbuds are your perfect workout partner. While many focus on tech specs, we designed them for real-life moments—like staying motivated during a morning run or taking a clear call between meetings.
Bluetooth 5.0 ensures a stable connection up to 10 meters, so your music won't cut out when you step away from your phone. The waterproof build handles sweat and light rain, giving you peace of mind during intense sessions. With 4 hours of playtime, they last through your longest routines, and the compact charging case slips easily into a pocket for all-day readiness. Experience crisp audio and comfortable fit, so you can focus on your goals without distractions.
Features
- Waterproof design for sports
- Lightweight and compact
- Long battery life up to 4 hours
- Fast charging in 0.5-2 hours
- 10 meters transmission distance
- Bluetooth 5.0 connectivity
General specs
- Brand: CH-3C Electronics
- Model: L21 Mini
- Seller: Joom
- ID: 68ed401c43f23e01f0b1ec5a
- Connectivity: Bluetooth
- Connection Type: True Wireless
- OS Compatibility: Android, iOS
- First listed by seller: 11/9/25
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Joom
| Date | Price |
|---|---|
| 11/20/25 | $24.91 |
| 11/9/25 | $28.91 |
Shipping options
Russia
Comparison with similar products
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|---|---|---|---|---|---|---|
CH-3C Electronics L21 Mini White Bluetooth 5.0 connectivity
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Super Case Pro6 J6 Bluetooth 5.0
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Xiaomi Buds 5 TWS AI Black Active Noise Cancellation up to 40dB
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Bluetooth Glasses with TWS Gaming Wireless Sports Earbuds Black TWS wireless earbuds
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TOZO A1 Green Bluetooth 5.3 technology
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Invisible Sleep Earbuds Khaki Bluetooth 5.3 wireless
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| Brand | CH-3C Electronics | Super Case | Xiaomi | Admisitr | TOZO | Kebidumei |
| Model | L21 Mini | Pro6 J6 | Buds 5 TWS AI | A1 | ||
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| Price | $24.91 | $9.42 | $104.14 | $13.71 | $14.99 | $13.81 |
| Seller | Joom | Joom | Joom | Joom | Amazon | Joom |
| Update | November 18, 2025 | December 8, 2025 | December 8, 2025 | December 31, 2025 | December 6, 2025 | December 31, 2025 |
| Connectivity | Bluetooth | Bluetooth | Bluetooth | Bluetooth | Bluetooth | Bluetooth |
| Connection Type | True Wireless | True Wireless | True Wireless | True Wireless | Wireless | True Wireless |
| OS Compatibility | Android, iOS | Android, iOS | Android, iOS | Android, iOS | ||
| Controls | Touch | Touch | Touch | Touch, Voice | Touch | |
| Bluetooth Version | 5.0 | 5.0 | 5.0 | 5.3 | 5.3 | |
| Weight | 5.0 | 4 g | 3.7 | |||
| Driver Size | 10.0 | 10 mm | 6 | |||
| Battery Life | 8.0 | 5 h | 7, 32 | |||
| Wearing Style | In-Ear | In-Ear | In-Ear | |||
| Microphone Count | 4 | 2 mics | 2 | |||
| Water Resistance | IP54 | IPX4 | IPX5 | IPX7 | ||
| Audio Driver Type | Dynamic | Dynamic | Dynamic | |||
| Noise Cancellation | Active | None | None | Active | ||
