Combo Set includes: 1 x Lithium Ion Battery1 x USB Data / Charging Cable1 x Stylus, Ball Point PenCompatible with: Dell Axim X50 / X50v / X51 / X51vLithium Ion BatteryCount on staying connected by getting extra battery power today. This replacement battery has an integrated microchip that prevents overcharging and lengthens battery life. Cell type: Lithium Ion Voltage: 3.7V Weight: 2 oz Color: BlackUSB Data / Charging CableStart syncing your phone / PDA with a PC today through this premium quality data cable. With this 2 in 1 cable you can charge and transfer data simultaneously. Connect your cell phone to your PC/Laptop to access and synchronize your phone book contacts, e-mails, and appointments, change ring tones and background pictures, take advantage of other useful applications! Length: approx. 48 inches (122cm) *Note: Phone and software features are limited to the phone's capability and the service provider's default settings. Please consult with your phone's user manual and your service provider for the availability of these features. Cable only, software and driver is not includedStylus, Ball Point PenNeed a replacement Stylus for your PDA? This nicely weighted metal stylus handles better than the stock stylus, and its sensitive stylus tip gives you the smooth navigation. It is an ideal accessory for high demand PDA users. Fits perfectly inside the silo of your handheld. It also includes a ballpoint pen hidden under the removable cap. Composite construction: metal shaft with a hard plastic top and soft silicone tip Barrel Color: Aluminum Tip Material: Polymer Blend Tip Color: Black Type: generic/aftermarket