( PACK OF 2 ) Bluetooth-enabled speaker that uses bone‑conduction/vibrational technology. By placing it on any hollow surface—such as glass, plastic boxes, guitars, helmets, dashboards—it turns that object into a resonant speaker

Size & Portability
Ultra‑miniature and lightweight, smaller than a golf-ball—easy to carry in a pocket or travel bag .

Volume Output
Can reach up to 115 dB, roughly 4–5× louder than a typical phone speaker

True Wireless Stereo (TWS)
Supports pairing two units over Bluetooth for 2.0 surround sound

Customizable Tonality
The sound depends heavily on the object it’s attached to—different materials produce varied acoustic characteristics

Cons

• Sound quality and bass are generally not as strong compared to regular Bluetooth speakers 

• Bluetooth stability reported as shaky beyond ~10 ft

• Battery life often falls short of specs; charging issues noted

• Suction or mounting accessories (cups, magnets) may be weak or unreliable