PTron Intunes Evo Bluetooth 5.0 in-Ear Sport Bluetooth Earphone just Rs.689 at Croma . Perfect for Music & Call: PTron InTunes is packed with 70mAh re-chargeable Li-polymer battery which ensures working time up to 3 hours on a single complete charge. Built-in HD microphone, powerful noise-cancelling technology, and high-isolation metal structure earphone casing effectively filter noise and get the high-quality call. Buy Now. Limited Period Offer.