Bluetooth Smart Ring for Apple and Android with Finger Controls

Wear this Bluetooth smart ring on your finger for short video page turning, e-book reading and music playback. Its additional features include photo and video functions and waterproofing. Compatible with Apple and Android systems, including iPhone models, this is a non-Apple-branded device. Choose from ring numbers 18 through 22 using the finger circumference measurements below. An option with NFC functionality is also available. - Product type: finger-worn Bluetooth smart ring - Compatible systems: Apple and Android - Features: short video page turning, e-book reading, music playback, photo and video, waterproof - Ring number 18: 60 mm finger circumference; US size 8 - Ring number 19: 64 mm finger circumference; US size 9 - Ring number 20: 69 mm finger circumference; US size 10 - Ring number 21: 73 mm finger circumference; US size 11 - Ring number 22: 75 mm finger circumference; US size 12 - Additional option: with NFC function - Package contents: 1 Bluetooth ring Product category: Electronics & Accessories. Listed options: Number18; Number19; Number20; Number21; Number22; With NFC function. Condition: New.