- BONE CONDUCTION TECHNOLOGY: Works by vibrations, sound transmit via cheekbone to your cochleas, which avoids hearing impairment compare to ordinary earphones. Open-ear design helps you stay alert to your surroundings, avoid danger and meanwhile enjoy music.
- TRUE WIRELESS & BLUETOOTH V5.0: The latest Bluetooth V5.0 technology enable ZFKJERS headphones truly wireless to set yourself free from cable mess. And this technology provides faster pairing, stable connection and 66ft signal transmission.(no-obstacle condition)
- CHARGING TIME and BATTERY LIFE: Each side of earphone has built in 120mAh lithium battery. Full charge take 1.5 hours, Standby time 15 days and play time around 5 hours. Suitable for fitness, driving, hiking, rock climbing, cycling.
- DESIGN FOR SPORTS: IPX5 waterproof to resist light rain and sweat for outdoor activities, such as jogging, cycling, running, driving etc. Use ABS + titanium alloy enable the headphone lightweight but more durable. Ergonomic design for comfortable wearing make sure you do sport freely never worry about falling out.
- WARRANTY: WE PROVIDE 60 DAYS HASSLE-FREE RETURN POLICY and ONE YEAR WARRANTY, your purchase is totally RISK-FREE. Contact us if you meet any issues.