2200mah Capacity PortableWaterproof Bluetooth Speaker With V5.0,IPX7,AUX Cable,TF Card,10W 10 Hours. Bluetooth 5.0 Speaker Φ45mm 4Ω 5W*2 Battery 18650/2200mAh Features 1.Bluetooth 5.0 2.TWS 3.IPX7 4.2200mAh Bettery 5.Patent products 6. 2...