With bluetooth CSR8635/V4.0 + EDR (fully backward compatible) for longer playing time, the Swift headphones ensure high-fidelity stereo music and clear speech via Noise reduction.
Strong Wireless Signal: you can enjoy skip-free music in a 10-meter (33 Ft) operating distance, even if use your music devices left/right side, above/below waist.
Exercise-proof design guarantee 100% Stable and Comfortable when exercising, running, climbing, driving, skating,camping, fishing and other outdoor sports. Small,medium and big size earhooks included.
Universally compatible with most Bluetooth-enabled phones.And built-in extra-long battery,just need to charging about 1 and haft hour,it's allows up to 4-6 hours talking/playing time and 150 hours standby.
With hands-free function,You dont don't need to take it off when you get a call.This cord is not knot easily. To keep your mind at ease.It is lightweight and convenient,with high definition sound.