The HP Wireless Eco-Comfort Mobile Mouse combines style and comfort for being on the move in an environmentally friendly design. Built and packaged with Save, Reuse, Recycle in mind, the HP Wireless Eco-Comfort Mobile Mouse provides you uncompromising performance and advanced features at an affordable price. Eco-Highlights: Energy efficient components ¿ single AA battery lasts up to 7 months; Automatic power saving features with smart standby modes; Contains over 30% recycled plastic; Packaging consists of 76% recycled materials and is fully recyclable; PVC free.