Product Material: Metal+Silicone Development description: Milk clip Material: Metal+Silicone Size: 57mm in length, with an opening range of 0-16mm English host Mode: Continuously variable transmission Size: 100 * 60 * 15mm Power supply: 2 No. 7 batteries (excluding) Frequency: 2-100Hz Naked weight: approximately 48g Remote control host Mode: 8 frequencies and 19 levels Size: 61 * 61 * 17mm Power supply: USB charging Battery capacity: 150mAh Current output: maximum 35mA Frequency: 1-100hz Naked weight: approximately 31g Charging time is about 2.5 hours. Using it for 15 minutes a day can last for about 7 consecutive days remote control Size: 86 * 40mm Power supply: 1 CR2025 button battery Remote control distance: maximum 15 meters Note: 1. We will ship your watch within 1-2 working days after we confirm your payment. 2. If you need to change your shipping address information, please notify me of your updated address within 1-2 days after payment; otherwise, we will ship to your original address, please make sure the address is correct. 3. Sometimes due to bad weather, logistics takes a long time, resulting in longer clearance time. So please be patient when you do not receive your goods on time. If you do not receive the goods within 30 days, please contact us and we will help you track your order parcel logistics information in time. 4、Please charge the device before use when it received. 1-2 hours when you receive it. it was run out of power after the long delivery. Thank you! 5、Before using the product, please read the manual carefully. If the product cannot be used normally, please do not open the dispute directly,You can contact us first, and we will send you the complete operation video.