Health Smart Watch Smart Bracelet Wireless Bluetooth Connection Mobile Phone Office Suit Input: 5V 1

Input: 5V 1

the size of the TPU collar can be adjusted from 5 to 22 inches

Frequency response: 100HZ-20KHZ

Purified Air:  Purified air

1 * data cable

Health Smart Watch Smart Bracelet Wireless Bluetooth Connection Mobile Phone Office Suit Input: 5V 1Product information: Style: Simple Features: Health Monitoring Screen size: 1. 69 inches Appearance size: 43. 5(L)*36. 4(W)*8. 9mm(H) Material: zinc alloy material Battery capacity: 180mA Product weight: 48. 8g Body memory: 128MB Wearing method: wrist strap Operation mode: touch + button Interface: USB 2. 0 Wireless distance: 6m (inclusive) 11m (inclusive) Communication function: not supported Wristband material: liquid silicone Colour: black, pink,