• 【Woven Nylon Material】Durable nylon woven fabric with metal D-ring connectors and central adjustment buckle for secure fastening without traditional clasps.
• 【Adjustable Length Design】Sliding adjustment mechanism accommodates arm circumference from 260mm to 420mm for personalized fit and comfort.
• 【Stable Heart Rate Contact】Engineered to provide consistent contact with wrist sensors ensuring accurate heart rate monitoring during sports activities.
• 【Dual-Wear Positioning】Supports both standard wrist wear and upper arm placement for flexible training and monitoring options.
• 【Sports-Optimized Structure】Lightweight at 14g with loop-style design featuring dual-segment construction ideal for active use and sweat-resistant performance.

Specifications:

• Materials: Nylon, stainless steel, plastic
• Dimensions: 420mm x 24mm
• Arm Circumference: 260mm–420mm
• Product Weight: 14g