Specification: Product Name: JBL go 2 Mini Wireless Bluetooth speaker Model: JBL go 2 Color: Red/Blue/Black/Green/Gray/Gold Connection method: Wireless Bluetooth Receiving range: 10M Bluetooth version: 5.1 Audio input: 3.5mm Waterproof grade: ipx7 Working time: 5h Charging time: 2.5h Material: plastic + metal Battery: rechargeable 750ma lithium ion battery   Pacakage list: 1 * Bluetooth speaker