Dush 跟dush pro 的区别。
功能上到底有什么区别啊？价格为什么相差这么多……

The Dash Pro is improved version of The Dash - it has improved battery life and Bluetooth connection.
The Dash has 65 db RX BT hardware while The Dash Pro has 75 db Rx.
The Dash has 100 mAh Lithium-ion battery which holds up to 4 h per charge, while The Dash Pro has 100 mAh Lithium-ion polymer battery which can hold up to 5 h per charge.

第一代和第二代区别

有条件就买pro