Sanag Z50S Ear Clip Wireless Bluetooth Smart Air Conduction headphones

Features Fit Ear's tech ensures comfort without limits. Ergonomic design for all-day secure fit. Non-in-ear design, more comfortable. Sub-millisecond sound tracking, smart ear soundstage tuning. 360-degree panoramic sound, simulating theater-like surround space. Third-gen Aca acoustic chamber, restoring sound details. SSG Acoustic Lab meticulously hones every sound. Sanag Master Sound App, custom EQ for master-level headphones. Dual-effect soundwave technology, noise reduction boosted by 89%. Sanag Bluetooth Flash Connect 6.0, lossless audio transmission. Groundbreaking 70-hour battery life, longer-lasting performance. Beyond headphones, it's your productivity partner. Water and sweat defense system, resistant to moisture.   Specs Headphones Model Sanag Z50s Wireless Version V5.3 Battery Capacity 400mAh Transmission Distance 10 meters Sensitivity(microphone) -38dbv/pa Charging Time About 1 hour（It is best to charge for the first time more than 1 hour） Operating Tempe