C15-X Portable Bt Speaker.

He C15 is a portable, compact Bluetooth speaker (approx. 157 x 157 x 114mm) designed for casual,, wireless, and, in some models, waterproof use, featuring 5W-8W output power and a 1200mAh-1800mAh battery. It typically includes Bluetooth, USB, TF card, and AUX inputs, often with a built-in FM radio and microphone for calls.