Ø Product size:32*32*7.9 mm

Ø Material: ABS

Ø IPX4 Waterproof

Ø Battery: replaceable CR2025 battery

Ø Works with iOS & Android dual system

Advantage：

• Dual System Compatibility, Covering Global Users：Compatible with both iOS and Android systems, no dedicated APP required. Covers 99% of global smartphone users with no device threshold, for a much broader market reach.
• Mini Compact Size, Portable & Concealable ：Ultra-small size of 32*32*7.9 mm. It can be easily hung on keys, put into wallets or backpacks, no extra space needed, with strong concealment, no burden for daily carrying. 
• Replaceable CR2025 Battery, No Charging Hassle：Adopts replaceable CR2025 button battery, no charging needed, you can replace it anytime when it runs out. One replacement supports 12 months of ultra-long use, completely eliminating charging anxiety, with low maintenance cost, and this battery is universal and easy to buy globally.
• High-Strength ABS Material, Drop & Scratch Resistant  ：Adopts high-strength ABS material, resistant to drops and scratches. It protects internal components well even if accidentally dropped, no worry about bumps or scratches in daily use, extending the product's service life.
• Multi-Accessory Compatible, Versatile Anti-Loss Scenarios  ：Compatible with dedicated keychains, lanyards and other accessories. It can be used as key finder, or for luggage and backpack anti-loss, meeting users' diverse anti-loss needs.