Description Sizes: 1428585mm Weight: 380g BT 5.0, chip: JL Battery capacity: 1200mAh Charging for about 2 hours Calls / music time: 4 hours Speaker unit: 52mm Power: 5W Support BT, TWS, TF card, USB, AUX, FM and other playback modes. Warranty: 6 Months EAN CODE:6931474740175