Feature: 1. Upgraded version: three-speed intelligent temperature control, warm and breathable, wear-resistant and durable, key switch/adjustment design, long press for three seconds to start, click again to switch gears. 2.USB charging: This heated seat cushion is designed with a USB interface, you can charge it through a power bank, computer, car, etc., free from the shackles of wires or power sockets. 3. Comfortable fabric: quilted suede, cotton, oxford cloth, heating sheet, suede fabric on the front, delicate, breathable, skin-friendly, oxford cloth on the back, non-slip, wear-resistant, better fix seat cushion. 4. Intimate design: This heated seat cover has a backrest and elastic design, which is fixed on the seat to prevent slipping, and has a power bank pocket design on the side (power bank not included). 5. Wide range of uses: suitable for grandstand chairs, stadium seats, beach chairs, camping chairs, folding chairs, outdoor chairs, etc. This portable heated chair pad is perfect for winter outdoor sports like hiking, camping, picnics, fishing, traveling, and more. Specification: Name: Outdoor heated seat cushion Size: 40*40*40cm thickness 2cm Color: black, gray, khaki Material: quilted cotton suede + cotton + Oxford cloth Weight: 0.48kg Package Contents: Outdoor heating cushion*1 (excluding power bank) notes: 1. Due to various factors such as monitor brightness, light brightness, etc., the actual color of the product may be slightly different from the picture displayed on the website. 2. Please allow for slight manual measurement deviations in the data.