Jakcom R3 Magic Finger NFC Ring Smart Ring Wear for Android Windows NFC Mobile Phone Perfect for sports

Perfect for sports

0 Battery Type: Built-in Rechargeable Battery Standby Time: 48 hours Music Time: About 2

1 x 510 Delrin Drip Tip

support more flexibility for different sound devices(TV/PC/tablet/streaming box/etc)

Jakcom R3 Magic Finger NFC Ring Smart Ring Wear for Android Windows NFC Mobile Phone Perfect for sportsProduct Features: Jakcom R3 Magic Finger Smart Wear Can connect IC ID NFC Card Reader like doorlock or cellphone to Unlock, Pay, Share information or operate some mobile function Health module: Remove infrared ray and adjust body function by the FIR Energy Stone and the volcano magnet. Lock and unlock your Smart phone or tablet quickly, hide the app when you leave your smart phone alone. Share & Transfer information (send the private message Picture