苹果限制用到网络、GPS及其他与通话相关的资源的后台服务的使用a，以便节省电池寿命。
Apple restricts the use of background services that use the network, GPS, and other phone-related resources, in order to conserve battery life.
苹果皮520包含一个电池，一个Dock接口连接器和一个支持语音通话的SIM卡。
The Apple Peel 520 case contains a battery, dock connector and SIM card that allows voice calls.
在通话情况下，电池寿命延长至8个小时。
Battery life has been increased to eight hours of talk time.
应用推荐