Best BudgetRank #3 in Heart Rate Monitors & Trackers
COOSPO H6 Bluetooth/ANT+ Chest Strap
by COOSPO
Score
The budget chest strap, and the point worth making is that a $27 strap and a $105 strap use the same measurement method — ECG at the chest — so this is the cheapest route to accurate HR.
Strengths
- ↑Cheapest strap here by a wide margin
- ↑Bluetooth and ANT+ so it pairs with anything
- ↑IP67 rated per COOSPO
Weaknesses
- ↓Less refined strap material than Polar's
- ↓Shorter battery life than the H10
Full specs
- Protocols
- Bluetooth + ANT+
- Rating
- IP67 (manufacturer)
- Type
- Chest strap
Full buying guide
Best Heart Rate Monitors in 2026: Polar H10 Wins
Read the full ranking →Related Heart Rate Monitors & Trackers guides
Other heart rate monitors & trackers we rate
Ranked alternatives from the same category, with our score and the current price.
The chest strap every other strap is benchmarked against. Dual-band ANT+ and BLE, FDA-grade ECG accuracy, 400-hour battery. If you train by HR, you eventually buy this.
Polar's flagship multisport watch. Best-in-class wrist HR (Polar Precision Prime), AMOLED, ECG sensor, dual-frequency GPS. The pick for athletes who want Polar accuracy in a watch package.
Polar's value chest strap. H10 accuracy without the multi-device or memory mode. Dual Bluetooth + ANT+ at half the price.
The Garmin-ecosystem answer to the Polar straps already here. If your watch is a Garmin, staying in-brand avoids the pairing and sync friction that turns people off chest straps entirely.