PowerTime Sports Arm Band — Master every moment, never feel pressed for time again! | Kalsten
Say goodbye to stress – take back control of your time!
Do you often feel rushed and overwhelmed by everyday life? The PowerTime™ Sports Band is your personal time manager on your wrist – for workouts that empower you and days you win mentally. Never miss valuable moments again and say goodbye to aimlessness!
That's why our users rave about the new freedom on their wrist
✓ Always ready-to-use loop countdown – your power source for the day: Start precise timers for training, work, or breaks over and over again – this keeps you focused and boosts your efficiency without annoying resets.
✓ Customized music and vibration alarms – your coach that motivates you: Subtle reminders that don't disrupt your flow – perfectly tuned to keep you in the right rhythm.
✓ Flexible and clear time display – for full control at any time: Playfully switch between 12-hour and 24-hour formats. Every glance at your wrist gives you immediate clarity about your time and appointments.
✓ Ultra-accurate stopwatch – always have time under control: Stop accurate to the second for up to 99 minutes – ideal for your training, cooking, or perfect time management. Just tap, start, and achieve your goals.
Your burning questions – answered clearly and honestly
How precise are the step and calorie measurements?
PowerTime™ stores your movement and calorie data for a full 30 days – allowing you to analyze your training intelligently and recognize your progress clearly. Reliable for everyday use and ambitious coaching.
Is the band waterproof for everyday use?
With its IP65 certification, PowerTime™ easily withstands splashes and sweat – ideal for sports and daily life. However, you should avoid swimming or diving, as it is not designed for that.
How long does the battery really last?
PowerTime™ provides up to 21 days of power in one go. With the practical micro-USB charging cable, you're ready to go in no time – for long-lasting reliability.
Technical Data – Everything you need to know
Lightweight & comfortable: Only 20 g of pure freedom on your wrist
Easy to use: Clearly structured push button for intuitive control
Premium silicone band: Robust, flexible, and pleasantly soft on the skin
Power features: Pedometer, smart reminders & sleep monitoring
Battery life: Over 21 days of continuous operation – your reliable companion
What's included
- 1x PowerTime™ Smart Sports Band – including sleep monitoring for your new lifestyle!
Free standard shipping on all orders. No minimum purchase.
- Ships to: United States
- Processing: 1–4 business days (Mon–Fri)
- Transit: 5–10 business days
- Total delivery time: 6–14 business days
- Order cut-off: 5:00 PM PST
You will receive a tracking number by email once your order ships. Please allow up to 48 hours for tracking to update.
See our full Shipping Policy.
You have 14 days from delivery to request a return.
- Email support@open.shop with your order number to start a return.
- Items must be unused, complete, and in their original packaging.
- Return label: flat $9.99 USD, deducted from your refund — nothing to pay upfront.
- Damaged, defective or incorrect items: we cover all return and replacement costs.
- No restocking fees.
- Exchanges: contact us and mention "exchange" — the new item ships once your return arrives.
- Refunds are issued within 7 business days of inspection.
See our full Return Policy.
Questions about your order or our products? We're happy to help.
Open
Hooizolder 214
Drachten Friesland 9205CD
Netherlands
Email: support@open.shop
Customer Service:
Monday to Friday, 8:00 AM – 6:00 PM PST (excluding public holidays)
We reply to all messages within 24 hours on business days. Weekend messages are answered on Monday.
For quick answers, visit our FAQ page or use our Contact Form.
