Description
Ride Safely with the Compact Bicycle Charging Speaker Electronic Horn

Clear your path instantly and stay fully safe on busy city streets. The premium bicycle charging speaker electronic horn (TWOOC T-002) is an ultra-lightweight safety device explicitly engineered for modern road cyclists, mountain bikers, and urban commuters. Packing a piercing 110–120dB loudspeaker into a featherlight 40-gram chassis, this clever bicycle charging speaker ensures you can alert motorists and pedestrians effortlessly without cluttering your handlebar space.
Why Performance Riders Choose This Bicycle Charging Speaker Horn:
Safety you can instantly hear. This bicycle charging speaker produces a highly penetrative blast ranging between 110–120dB. It offers three active sound modes—Whistle, Siren, and Trumpet—to adapt easily to any traffic environment.
No more replacing heavy dead batteries. The bicycle charging speaker is powered by a built-in 280mAh Li-polymer battery that fully charges via any standard 5V USB port in just 1.5 hours, supporting up to 2,000 active horn rings.
Total single-handed operation. Featuring a dedicated split wired switch with a spiral expandable cable range of 15–30cm, one button handles your tone selection while the second activates the horn blast immediately.
Seamlessly integrates with your bicycle cockpit. This bicycle charging speaker is installed down and forward, freeing up valuable space on your handlebar. The elastic rubber strap delivers quick mounting and quick release on standard tubes.
Technical Specifications
Review the operational attributes, electrical parameters, and sizing dimensions of our electronic horn:
| Specification Attribute | Product Technical Details |
|---|---|
| 🚲 Product Classification | TWOOC T-002 Electronic Horn / Bicycle Charging Speaker |
| Audio Output Power | Piercing 110dB – 120dB Loudspeaker Blast |
| Sound Modes Profile | 3 Options (Whistle, Siren, Trumpet) |
| Control Architecture | Wired Split Switch (1 Button for Tone Choice, 1 for Ringing) |
| Switch Wire Length | Spiral Shape Design (Flexible 15cm – 30cm Range) |
| Battery Capabilities | Built-In 280mAh Li-Polymer (Supports 2,000 Activations) |
| Charging Parameters | 5V 250mAh via USB (Approx. 1.5 Hours to Full Charge) |
| Horn Tube Fit | Fits Handlebar Diameters 22.0mm – 31.8mm |
| Switch Tube Fit | Fits Tube Diameters 18.0mm – 24.0mm |
| Net Unit Weight | Featherlight ~40 Grams (Does Not Overload Cockpit) |
⚠️ Weather & Installation Reminders:
- Moisture Safety: This electronic bicycle charging speaker is certified water splash-proof to survive typical morning drizzle and humid trails. However, it must never be submerged under water.
- Tube Diameter Verification: Please measure your handlebar sizing before installing; the main horn body accommodates standard tubes from 22mm to 31.8mm perfectly.
Package Includes:
- 1 × TWOOC Electronic Horn with Integrated Wired Split Switch
- 1 × High-Elasticity Rubber Strap Mount
- 1 × Premium USB Charging Cable
- 1 × Comprehensive User Manual (English/Chinese)
Frequently Asked Questions (FAQ):
Q: Is the audio output on this bicycle charging speaker loud enough for city traffic?
Yes, absolutely! This electronic horn produces an intense blast ranging from 110 to 120dB. This high audio profile is designed to cut through heavy city traffic noises, alerting drivers, bus operators, and distracted pedestrians instantly.
Q: How long does the battery last on a single 1.5-hour charge?
The embedded 280mAh lithium-polymer core provides excellent standby efficiency and stores enough energy to support up to 2,000 active horn rings before a USB recharge is needed.
Q: Do I need specialized screwdrivers or tools to install it on my bike?
Not at all. The bicycle charging speaker utilizes an elastic rubber strap mounting framework. This allows you to attach or release the horn and the control switch manually in seconds without any tools.


























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