Smart Resistance Bands Yoga Pilates Pulling Rope Chest Expander Heart Rate Calorie Detection Gym Exercise Training Equipment

Specification:
Power input:DC 3.7V; 
Battery type:Lithium battery; 
Battery capacity:90mAh; 
Run time:Aproximately 6 hours; 
Maximum standby time:30 days; 
Bluetooth version:5.0; 
Bluetooth frequency:2.402-2.48 GHZ; 
Handle material:ABS, TPE; 
Rope material:PVC; 
Type-C power:5V 1A; 
Certification:CE, FCC, RoHs, SRRC, BQB, UN38.3 MSDS; 
 
Main functions:
Bluetooth connection; 
Heart rate; 
Calorie burned; 
Peps; 
Works with fitness APP; 
USB type-C quick charge; 
On-line & off-line mode; 
Over-the-air technology; 
 
Package included:
1 x Smart Resistance Bands;