Amazon flex block grabber BT 1000 for Whole foods, Prime, Fresh

- Return policy Performance guarantee! Send it back within 5 days if you don't like it. No return after 5 days. Read instruction email carefully. Amazon changes refreshing rate and release periods frequently.- For Android phones with blue tooth 4.0 connectivity; - Good for the update of Amazon flex app in September 2022 - This sale item has 1 oval shape controller; Wireless swipe and tap Amazon flex blocks for you via blue tooth; Size: 5mm x 30mm x 10mm, Need a cr2032 replaceable battery and replace the battery every week (depending how often you use, the battery lasts for 4~7 days. The cr2032 battery is available on Amazon or Dollar tree)- Runs max speed more than 3600 tap-tap cycles or 1000 tap-swipe cycles per minute - Store 3 sets of frequent-use settings you defined- One key start, one key stop. Amazon's refresh frequency is changeable. One key switching from one speed to a different speed without interruption to match Amazon server frequency easily. - One key to run 5/15/30 min