This 19-in-1 bundle kits for iPhone 4 is reasonable.

Silicone Case:

• Two cases, black one and white one
• Made of high quality and durable material
• Perfectly fit for iPhone 4
• Additional openings for buttons,controls and ports

Car Mount Cradle Holder Stand:

• Made of high quality material
• Perfectly fit for iPhone 4
• Rotatable, easily adjust view angle
• Suction cup with lock clip to fix the iPhone in the fixed position

Car Charger:

• Brand new high quality charger
• Intelligent power IC, has fuse for Circuit Protection

Leather Case:

• Black leather case resists soiling
• Protect your phone from scratch

Headset Dust Cap:

• Perfectly fit for iPhone 4
• Prevent dust, liquid and debris from entering the phone and causing damages

Clear Screen Protector:

• Two screen protectors, one for the front and one for the back
• Perfect fit, cover the full body of the iPhone 4
• High clarity and translucence
• Attaches smoothly with self-adhering surface, leaves no residue when removed
• Protects sensitive for your 4G iPhone's touch screen and back glass

Mirror Screen Protector:

• Two screen protectors, one for the front and one for the back
• Perfect fit, cover the full body of the iPhone 4
• High clarity and translucence
• Attaches smoothly with self-adhering surface, leaves no residue when removed
• It can be used as a mirror when the light is shut off
• Protect your iPhone 4 screen from daily damage, scratches and dust

Screen Protector:

• Two screen protectors, only for the front
• Perfect fit, cover the full body of the iPhone 4
• High clarity and translucence
• Attaches smoothly with self-adhering surface, leaves no residue when removed
• Protect your iPhone 4 screen from daily damage, scratches and dust

Retractable USB Cable:

• High speed transfer rate as the docking cradle without the bulky hardware
• Retractable USB 2.0 Hotsync Data transfer and charging cable
• Cable Length: 80mm

Touch Pen:

• Perfectly fit for iPhone 4
• Mini Plastic Tip for Protecting the Screen

Earphone Splitter:

• With the headset splitter, you can share sound with another person
• Since One 3.5mm input plug and two 3.5mm output plugs integrates into one set, this is widely applicable for many media players

Color: white

Extra Battery with Stand:

• Extra battery with stand for iPhone 4, compatible with all iPhone, iPod

Capacity:1900mAh
Input: 5V--1A
Output: 5v--1A
Charge Time: 3 hours

USB Cable:

• USB 2.0 High Speed Data Cable
• Cable Length: 80mm

Earphone:
The sound quality is good enough. You can play back the music, answer calls, pause music, forward or backward, etc. all by pressing the button on the mic. The standard 3.5mm earphone plug fits for all music player with 3.5mm jack, as well as for iPod and iPhone. This is made by the third party, not by Apple.
Length of the Headset: Approx.1.10m
Driver unit: 14mm Speaker
Microphone: 3.0 x 1.5mm / -62dB
Impedance: 32O at 1kHz
Sensitivity: 116dB
Frequency Range: 20Hz - 20000Hz
Maxinum Power: 5mW
Plug: 3.5mm

Charger USB Plug Adapter:

• Compatible with USB2.0 standard, and US Power wall plug
• Provide USB power connection to charger your apple products

Package Details:

1. 2 x Silicone Case
2. 2 x Clear Full Body Screen Protector
3. 2 x Clear Screen Protector (front sides)
4. 2 x Mirror Full Body Screen Protector
5. 1 x Earphone Splitter
6. 1 x Retractable USB Cable
7. 1 x USB Cable
8. 1 x 1900 mAh Backup Battery
9. 1 x Headset Dust Cap
10. 1 x Car Charger
11. 1 x Car Holder
12. 1 x Leather Case
13. 1 x Touch Pen
14. 1 x In-ear Earphone
15. 1 x iPhone USB Power Charger US plug