CONFIDENTLY PROTECT YOUR HEARING with naturally expanding memory-foam tips featuring an NRR (Noise Reduction Rating) of 28dB\nENJOY HIGH-QUALITY stereo audio with clear midrange and balanced bass and treble performance\n15+ HOURS OF PLAYTIME with rigid charging case\nTRUSTED BLUETOOTH 5.0 TECHNOLOGY offers ultra-stable connection, faster one-step pairing and universal compatibility\nCRYSTAL-CLEAR PHONE CALLS and voice assistant via built-in microphones