Best amazon portable bluetooth wireless speaker Smart Double Wall Stainless Steel Insulated Coffee Thermos Water Bottle Portable Outdoor Vacuum Music Cup

best amazon portable bluetooth wireless speaker Smart Double Wall Stainless Steel Insulated Coffee Thermos Water Bottle Portable Outdoor Vacuum Music Cup

Model Number:WS-BS001
Bluetooth version: 4.2
Battery capacity: 400mAh/3.7V
Capacity: 450ml
Charging time: about 1.5 hours
Weight: 317g
Material: SUS304 stainless steel
Size: 205*74*110mm