T20 ultra2 with 4 Strap Series 9

Hardware information?
Real 49mm case ,Real screws, Real strap fixing clasp
Product size:49*40*10.7mm
CPU:YC1133
flash memory:32MB+32MB
G-sensor:SC7A20
M-sensor:YES
Bluetooth:5.0
LCD:IPS 2.3"
Resolution:320*386
Touch Type?COB Full Touch Interaction
Heart rate sensor:Tianyi Hexin HSR3300
Motor:YES
Charging mode:Magnetic wireless charging
Microphone:YES
Number of keys:Three buttons (1 side button, 1 encoder, 1 motion button)
Horn&Receiver:YES
Battery capacity:360mAh
Appearance material: Zinc alloy