Solar-Powered:Rock Solar Bluetooth Speaker can be charged outdoors. It takes approximately 30 hours to fully charge under sunlight (while it only takes 2 hours via a power cord). Solar charging and power cord charging can be carried out simultaneously. with a maximum power peak of 160W(1Pair), Rated power of 40W(1Pair). When fully charged it can work 59 Hours (at 60% Volume) / 38 Hours (at 80% Volume) / 11-12 Hours (at MAX Volume) . IPX7 Waterproof: Outdoor Rock Solar Bluetooth Wireless Speaker features an IPX7 waterproof design. Its construction can withstand rain, temperature changes, and other harsh weather conditions without affecting its power. It's specifically designed for outdoor activities. 5.3 WIRELESS BLUETOOTH TWS CONNECTION: The built-in 5.3 wireless Bluetooth receiver creates a stable signal transmission channel for the speakers, with a maximum connection distance of 49FT, two speakers are connected via TWS, and a Bluetooth range of up to 65 ft. between two speakers, allowing for quick pairing with smartphones, tablets and even laptops. Sound Quality: Each individual speaker has a power of 120 watts and can also provide surround sound with better bass effect and clear high notes. It's an ideal choice for filling large backyards or patios. Appearance: Rock-like speakers have a sturdy and durable appearance. The outer shell is made of fiberglass resin material, with a realistic rock appearance design that can blend perfectly with your garden, patio, terrace, and lawn. Notice: If you have any after-sale problems, such as (product incomplete, product not working properly) please contact us immediately, we will contact you within 24 hours and solve the problem for you. Notice: The rock speakers use TWS connection, and at most 2 speakers can be connected together for use at a time. Standard Bluetooth Pairing ModePower On/Off:- Power On: Press and hold the power button for 1.5 seconds. The device will announce "POWER ON," and a blue light will remain on, indicating default Bluetooth search mode. If simulta neously solar charging, both red and blue lights will be on.- Power Off: Press and hold the power button for 3 seconds. The device will announce "POWER OFF," followed by the indicator lights turning off.Bluetooth Connection:- When successfully connected to a Bluetooth device, the system plays a "Connected" prompt sound, and the blue light stays on; if charging, red and blue lights are on.- Upon Bluetooth disconnection, the system announces "Disconnected," and the blue light starts flashing every 0.5 seconds, automatically shutting down after 5 minutes of no reconnection.- To disable Bluetooth while linked to a mobile device, briefly press the Bluetooth button, which triggers the "Disconnected" prompt sound, with the Bluetooth indicator light slowly flashing, enter ing standby connection state. Reconnect by pressing the Bluetooth button again.Clearing Pairing Information:- In Bluetooth-on state, long press the Bluetooth button for 5 seconds. The system emits a "beep beep" sound, then the blue light flashes rapidly for 3 seconds, clearing pairing information and re-entering Bluetooth search mode.