Product Name: JBL go 3 Mini Wireless Bluetooth speaker Model: JBL go 3 Color: Blue 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 (5V / 1a) Material: plastic + metal Output power: 4.2w RMS Battery: rechargeable 400MHz 2.7wh lithium ion battery SNR: > 85dB Frequency: 110hz-20khz     Package list： 1 * Speaker （as pictured）