BT solution: JIELI 5.0 +EDR Horn insde: Φ52mm 4ohm 5W*1 wireless charging power:10W RGB light power:2W Output: 5W*1 BT distance: 10-15mm Frequency: 90-20Khz Lithium battery inside: 1200mAh Support :Wireless Charging: Samsung, Apple and other built-in wireless automatic charging function equipmen Input: DC 5V Play time: 4-6h Chargetime: 3h Accessory: unit, usb cable,DV 12V 1.5A adaptor, manual , giftbox