When you"re trying to slim down, the slim Skechers Go Walk Pulse Bandz Heart Rate Monitor Watch is your best bet for monitoring your heart rate on the go. Its easy quick-touch technology gives you accurate ECG heart rate reads at the press of a button. Additional Information:Choose black/green or black/silver Lightweight Skechers brand design Manufacturer"s warranty included - see Product Guarantee area for details Quick-touch technology is easy to use. Fast and accurate ECG heart rate reads. Durable lightweight plastic in several colors. Manufacturer"s warranty included.