1. Easy and fast installation, improve driving safety
2. It can support 5 keys and 10 keys to meet the common operation on the car
3. It can be installed without dismantling the steering wheel of the original car, which will not cause damage to the steering wheel of the original car.
4. Built-in battery power supply, ultra-low power consumption, batteries can be used for one to two years.
5. Super touch design, small space occupation, side keys will not lead to erroneous operation due to the direction of play.
6. Easy installation, only four lines (positive, negative, square control 1, square control 2)
7. Integrative arc design,compatible with steering wheel of various car systems
8. Applicable to most DVD navigation with square control function in the market
