ltem description from the seller
Product model: X11
Material: Plastic (ABS) + PC
Bluetooth version: 5.0 (EDR)Implementation standard: GB8898-201 1Input parameters: 5V-1A (max)Product power: 5WBattery capacity: 1200mAh
Product size: 14*13*6.5cmColor box size: 177*177*70cmPacking size: 54.5*35*37.1cmPacking quantity: 30 pcsPacking weight: 21 (gross weight), 20.5 (gross weight)Product weight: 616g (gross weight), 456g (net weight)
Instructions
Use time: 10H
Charging time: About 3 hours