Instructions Maximum charge voltage DC 5V, under 500mA for the build-in battery 1. Hold for 1.5s of the bullet button, the indicator light ashes, indicating that it has entered the standby state, at this time, short press the bullet (or remote control), the motor is running. 2. Short press the bullet (or remote control) to change the vibration frequency, and there are 10 vibration frequency (cyclic vibration). 3. Hold for 1.5s of the remote control, to turn o the vibration and enter the standby state. 4. Press the bullet button for 1.5 seconds to shut down. 5. When charging with USB+DC 2.5 plug, the indicator light ashes, and stays on when fully charged. Warning:To Avoid Battery Leakage This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
-- Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment and receiver.
-- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-- Consult the dealer or an experienced radio/TV technician for help. Warning: changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment The devices has been evaluated to meet general RF exposure requirement the device can be used in portable exposure condition without estriction