In order to honor the good beginning and establishment of our long term and reliable business relationship， I will give you some samples for free for you to test the market.

I am sure that you will satisfy with our products quality and competitive price and we are confident to maintain our business relationship as we are biggest wholesaler which capable of providing quality goods ，competitive price and fast delivery， quick response at the same time.

I am looking forward to your reply and more rewarding business with you in the future.

- Convenient to voice talking and message communication

- Convenient to use without affecting operation of controller

- Easy to install and remove

- Working voltage: DC 3.7V

- Working current: <=50mA

- Bluetooth range: 8~10m

- Bluetooth version: V3.0

- Battery: li-ion polymer 200mAh

- Built-in speaker: 8ohm， 0.5W

- Charging voltage: 130mA / 5V

- Keys: 47

- Note: it can only be used after matched; Do not hit the device; Avoid liquid or small metals into the device; Keep it away from high temperature or humidity environment.