JBL Tune 230NC earbuds feature a 5.8 mm driver and 4 microphones for impressive sound » Gadget Flow
JBL Tune 230NC TWS In-Ear Headphones - True Wireless Bluetooth headphones in charging case with Active Noise Cancelling and up to 40 hours battery life, in sand: Amazon.co.uk: Electronics & Photo
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JBL Tune 130NC, JBL Tune 230NC TWS Earbuds With ANC, Up to 40-Hour Playback Time Launched in India | Technology News