For connection socket, charging socket, connector, controls and microphone (if any): * Wipe it with damp soft cloth For the earplug: * Wipe it with soft cloth * Gently wash it under running tap water. Then gently shake off the water and air-dry. To avoid damage or malfunction of the product: * Any connection socket, charging socket, connector, controls and microphone (if any) shall not be exposed to dripping or splashing * Do not use any cleaning agents containing alcohol, ammonia, benzene, or abrasives * Do not immerse the product into water