Please provide details about the WA581W (white) and WA581B (black) pouch and belt for the UR1M transmitter.
The WA581 (either color) is supplied with two belts that have Velcro closures. One belt is 20 inches [51 cm] long - for the arm; and the other is 30 inches [76 cm] long - for the thigh. Both are 1 ¾ inches [4.5 cm] wide.
The pouch is approximately 2 inches [5 cm] high, 2 inches [5 cm] long, and ¾ inch [2 cm] wide. A flap with Velcro keeps the UR1M in the pouch.