Features: Portable rolling Up Electronic Drum with two Bluetooth-compatible, Stereo Speakers & Long Battery for Uninterrupted Play . from flexible silicone, this foldable drum pad features two Bluetooth-compatible connectivity for seamless device switching and two speakers delivering immersive 360 sound. for musicians, travelers, and music educators needing professional instrument for practice or performances. for outdoor gatherings, studio, or stage shows where space saving portability meets powerful sound output. The textured silicone surfaces ensures realistic drumstick rebounds while the built in rechargeable battery supports 8+ hours of rhythmic creativity. Specifications: Materials: silicone and electronic components Size: 43x40cm Package Includes: 1Set rolling Up Electronic Drum Pad note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.