HS02 Wireless Bluetooth Handheld 2D Barcode Scanner, built-in 1000mah lithium battery in full power whose standby time can last for15 days and not only work continuously for to 10 hours. Type: Wilress Bluetooth Handheld 2D Barcode Scanner Barcodes:1d/2d Battery: 2000mAh Rechargeable Battery Offline Mode: yes Charging Crable: yes Compatible: Android1