This speaker stocked in California,fast shipping and customied logo available. It's your best choice of gift for biking, hiking, pool/beach parties, summer camping, road trip and much more.Material-metal,charging 2-3 hours, playing time 5-6 hours. Power 3W,S/N over 80DB,speaker Parameter 4ohm3W,battery 3.7V/400mAh,Bluetooth Version Bluetooth V5.0, please check the latest inventory with us before placing an order. Complies with CE, RoHS. 1.97" Diameter x 1.22" H