Now payment will be done as soon as you tap the ring, you will also get entry in metro, see review of 7 Ring

Indian startup 7 Ring makes payment rings. This startup has been featured in Shark Tank. Payment can be made by tapping this payment ring on the POS machine. Apart from this, metro entry will also be available as a new feature. A special feature has been given in it for metro entry. Let us know what is special in this 7 Ring.