Compact & Lightweight Design: Measures a convenient 3.03 x 2.55 x 2.63 inches and weighs a mere 3.59 ounces for ultimate portability. Model: W1101L Intended for: Adult Use Power: Includes 1 rechargeable Lithium-Ion battery. Release Date: September 13, 2023 Manufacturer: Shenzhen Jamr Technology Co., Ltd. ASIN: B0CHXY8WQW Highly Popular: A best-seller, ranking #1 in Wrist
