Specifications: Horn: 4R 5W Input voltage: 5v-1A Memory card: 16G Languages: 30 kinds, 27 reciters Size 15cm Shell material: plastic Connection method: Bluetooth connection Bluetooth protocol: 4.0 Effective distance: 10 meters Mode of operation: touch, remote control Shell material: plastic Notes: 1. Please allow 0-1cm error due to manual measurement. pls, make sure you do not mind before you bid. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!