- FLEXIBLE & LIGHTWEIGHT DESIGN – Only 0.1 lb in flexible and durable silicone neckband, really set your hands free, with IPX4 sweatproof, good for sports and outdoor.
- RETRACTABLE WIRE MANAGEMENT – Slim and sleek design with retractable wire management technology, one button to retract the earbuds keeps from mess.
- HD Hi-Fi SOUND – Advanced CSR 8645 chip and Bluetooth V4.1 with CVC6.0 noise cancelling technology create perfect balanced stereo sound.
- UPGRADED STRONG WORKING LIFE – 8 hours music/talk, and 250 hours stand-by with a quick charge of 2 hours, perfect for supper long days using.
- 100% SATISFACTION WARRANTY – Zxtrby provide 30 days money back & 12 month warranty and 7×24 hours customer service, please fell free to contact us if you have any question