Sound quality ok Bluetooth ok Connects to samsung wearable app, so authenticity ok Had to exchange original delivery because of battery drain, but replacement battery life ok But no warranty Worth as a budget TWS option, would recommend####[['Sound quality', 'Audio/Sound#Tone quality', 'positive'], ['Bluetooth', 'Smart Connect#Bluetooth Connection', 'positive'], ['authenticity', 'Product Quality#Genuine Product', 'positive'], ['battery', 'Battery/Longevity#Battery Capacity', 'negative'], ['battery life', 'Battery/Longevity#Battery Life', 'positive'], ['warranty', 'After-sales Service#Exchange/Warranty/Return', 'negative'], ['Connects to samsung wearable app', 'Smart Connect#Bluetooth Connection', 'neutral'], ['recommend', 'Buyer Attitude#Recommendable', 'positive']]