Basic Info |
| Wear Type | Earphones | Wristband | |
| Price | | $4999 | |
| Ratings | | | |
Activity & Fitness |
| Activity | Yes | Yes | Both track daily activity |
| Calories | Yes | Yes | Both track calories burned |
| Sleep | No | Yes | MyKronoz ZeFit 4 HR tracks your sleeping time and quality |
| Heart Rate / Pulse | Yes | Yes | Both measure heart rate |
| VO2 Max | Yes | No | KuaiFit Headphones shows the maximum volume of oxygen you can consume per minute |
| Distance | Yes | Yes | Both track your stride length |
| Steps | No | Yes | MyKronoz ZeFit 4 HR counts your steps |
| Pace | Yes | No | |
| Speed | Yes | No | |
| Stairs / Floors | No | No | Both don't have elevation feature |
| Exercise Tagging | No | No | Both don't have exercise tagging |
| Smart Coach | Yes | No | KuaiFit Headphones provides real time fitness coaching |
| Goal Setting | Yes | Yes | Both can help with your goals setting |
| Inactivity Alert | No | Yes | MyKronoz ZeFit 4 HR helps you stay active with inactivity alert |
Additional Features |
| GPS | No | No | Both don't have built-in GPS support |
| Compass | No | No | Both don't have a compass |
| Watch / Clock | No | Yes | Only MyKronoz ZeFit 4 HR has a watch |
| Alarm Clock | No | No | Both don't have alarm clock |
| Reminders | No | Yes | MyKronoz ZeFit 4 HR has a reminder option |
| Stopwatch | No | Yes | MyKronoz ZeFit 4 HR has a stopwatch |
| Music Playback | Yes | No | Only KuaiFit Headphones offers phone-free music |
| Weather | No | Yes | *Weather forecast |
| Reports | Activity | Activity, Sleep | |
Smartphone Remote Features |
| Notifications | Yes | Yes | Both show smartphone notifications |
| Caller ID | Yes | Yes | Both show caller ID notification |
| Music Control | Yes | Yes | Both allow control smartphone music player |
| Call Control | Yes | No | KuaiFit Headphones allows you control phone calls |
| Camera Control | No | Yes | MyKronoz ZeFit 4 HR has a smartphone's remote control function |
| Find Phone | No | Yes | MyKronoz ZeFit 4 HR allows you to locate your phone |
Battery |
| Duration | 7 hours | 5 days | |
| Battery Type | Rechargeable Battery | Rechargeable Battery | |
Physical Specs |
| Weather Resistance | Yes | Yes | |
| Waterproof | No | No | |
| IP Rating | n/a | IP67 | |
| Weight | n/a | 17 grams | |
User Interface |
| Display | No | LCD Screen | |
| Display Size | | 1.06 inches | |
| Screen Resolution | |
160 * 64 pixels
| |
| Color Display | No | Yes | |
| Touch Screen | No | Yes | |
Compatibility |
| Android | Yes | Yes | Both compatible with Android devices |
| iOS | Yes | Yes | Both compatible iOS devices |
| OS X/Mac | Yes | No | KuaiFit Headphones compatibles with MacBooks and iMacs |
| Windows Phone | No | No | Both don't compatible with Windows Phone devices |
| Windows | Yes | No | KuaiFit Headphones allows you to locate your phone |
| Web Portal | Yes | No | KuaiFit Headphones allows you upload and view data on the online portal |
| Social Features | No | No | Both don't have social features |
Connectivity |
| Bluetooth | Yes | Yes | Both have Bluetooth data transfer technology |
| Wi-Fi | No | No | Both don't have Wi-Fi connection |
| NFC | No | No | Both don't have NFC connectivity |
| ANT+ | Yes | No | Only KuaiFit Headphones has ANT+ wireless technology |
| Buy on Amazon | Buy on Amazon | |
