Outdoor Home Bluetooth Sizepeaker Tailgate Rechargeable LED Lights USizeB Microphone Input

Instructions for Use Charging the Battery The speaker is fitted with a 3.7 V 2000 mAh rechargeable battery (non-removable). It is recommended that the battery is fully charged before first use;        this will take approx 3 hours. Connect the micro USB end of the USB charging cable into the 5V charging port on the front of the speaker and the other end to a compatible USB port. Whilst charging, the LED indicator light will illuminate red. Once fully charged, the LED indicator light will switch off. Carefully disconnect both ends of the USB charging cable and store it safely for future use. Maximum playtime based on 20 % volume with LED light function disabled.