Advanced Hybrid Active Noise Blocking Z2-B Bluetooth over-ear headphones reduce distracting background noise with active feedback ANC (up to 19dB), helping you stay focused at the gym, on the go, or during travel. Wireless Convenience Z2-B wireless running headphones deliver stable audio with Bluetooth 5.3. IPX4-rated sweat and light rain resistance adds durability for intense workouts and outdoor use. Extended Playtime & Quick Charge Enjoy up to 58 hours of playtime with Z2-B wireless gym headphones. A 2-3-hour USB-C quick charge gives you enough power for all-day use. Comfortable Design Z2-B over-ear Bluetooth headphones are crafted from soft, skin-friendly materials. The lightweight, over-ear fit ensures long-lasting comfort during extended listening sessions. Clear Calls & Voice Assistance Z2-B wireless sport headphones include a built-in unidirectional mic for clear phone calls. Compatible with voice assistants like Siri and Google Assistant.