Additional safety guidelines
Child safety: Keep your BlackBerry Universal Headset out of reach of children.
Operating machinery: Keep your headset and any cords or cables away from machinery that is in operation.
Liquids and foreign objects: Never push objects of any kind into the headset or headset accessories through openings as this action might cause a short circuit, a fire, or electric shock. Do not use the headset or headset accessories near water (for example, near a bathtub or a sink, in a wet basement, or near a swimming pool). Never spill liquid of any kind on the headset or headset accessories.
Stability: Do not place the headset or a headset accessory on any unstable surface. Take care when using the headset with any charging accessories to route the power cord in a way that reduces the risk of injury to others, such as by tripping or choking.
Cleaning: Do not use liquid, aerosol cleaners, or solvents on or near the headset or a headset accessory. Clean only with a soft dry cloth. Disconnect any cables from the computer and unplug any charging accessories from the electrical outlet before cleaning either the headset or the charging accessory.
Designated areas and dangerous environments: Observe all signs and instructions that require an electrical device or radio frequency device to be switched off in designated areas. Do not use the headset in environments where there is a danger of ignition of flammable gases.
Overheating and damage: If the headset or headset accessory overheats, if the headset or headset accessory has been dropped or damaged, if the headset or headset accessory has a damaged cord or plug, or if the headset or headset accessory has been dropped in a liquid, discontinue use.