Fairy String Lights Bluetooth Dimming Smart APP Remote Control USB Color Changing LED Fairy Lights for Garden Bedroom Item Type: Fairy String Lights Material: PVP, ABS Length: Approx. 10m/32.8ft (Spacing of Beads 10cm/3.9in) Input Voltage: USB 5V Protection Grade: Leather Wire Lamp IP67 Waterproof Control Type: Bluetooth APP, Voice Control LED Beads: 100pcs, 10m/32.8ft Single Bead Luminous Flux: 6-12 (lm) Beam Angle: 360 Degrees Features: Multiple control modes: controller key (single mode conversion, long press to switch on and off machine), can also be controlled by smartphone APP. (for Android and for IOS) Controller built in MIC sound recognition light control, light changes according to sound rhythm. Supports color mixing, mode, music, microphone and timing functions. Support calibration of RGB channel order, point Settings. Built in various dynamic effects, speed, lightness adjustable. Color running light effect, 16 million color dynamic light effect. Dazzling dynamic display, home lighting, one key control. Meteor, flow, queue and other lighting effects. If the link cannot be connected normally or otherwise, please check: 1. Check whether other mobile phones have been linked, if so, please disconnect, Bluetooth 4.0 only supports one to many. 2. Whether the Bluetooth of the mobile phone is enabled. 3. Check whether the setting place of the mobile phone is connected to another Bluetooth device. If yes, disconnect it. 4. It still cannot be opened after normal operation. Please exit the APP and open it again. 5. The color is wrong, and the line sequence is adjusted under the settings in the APP. 6. The taillight is not bright, and the number of points is set under the settings in APP.