Debuting in the global neckband market with its Mateband N300 earphones, the Singapore-based electronics maker Costar has made a vivid attempt in marking a spot for itself by introducing a few uncommon features within the budget segment of wearable devices. Priced at Rs 799, the Mateband N300 sports a dedicated bass booster button, which makes for a great first impression. Besides, the magnetic earbuds serve a bigger purpose than just keeping the two ends together. They carry an in-built feature of switching between play and pause when in use and lying free. On that note, let us assess the efficacy