Product features: 1, The battery cycle is many, Durable A Long battery life, conversation, game, unidleness. 3, High capacity Lithium ion battery. 4, No memory effect, Intelligent and efficient 5, Safety circuit protection, use rest assured. Adapt to various environments 7, Quick charge, Double IC Design - 10000mah High capacity battery, More durable, do not worry about the use of time - Free dismantling tools, a pry bar and a screwdriver - 2 years warranty service, any problem, can contact us at any time - The shockproof sponge is pasted, and the equipment uses maximum sound to keep it in good working condition - There are many installation videos available on the Internet, which are very easy to install