This Bluetooth 4.2 neckband sports headset supports dual-phone simultaneous connection with 32.8ft stable transmission, delivering crisp stereo sound. Its noise-canceling high-sensitivity mic blocks ambient noise for crystal calls in busy environments. Powered by a 220mAh battery, it fully charges in 3 hours, offering 9-hour music playback or 15-hour continuous talk time for all-day use. Physical control buttons enable one-touch track, volume and call operations for phone-free convenience. The adjustable 16.34in neckband, flexible ear cords and skin-friendly ear tips ensure customized snug fit magnetic earbuds prevent dropping during running and workouts. Sweat-resistant treated silicone safeguards against sweat damage, perfectly suited for gym, yoga, jogging, hiking, travel and daily commuting with secure, comfortable athletic wear.