Sports bracelet BLE module

{"cid":"279623","pid":"36188732","pimg_url":"\/\/img1.tradegrowthhub.com\/74\/33\/21a3f519d8f1\/product\/142615099_s-w400xh400.jpg","name":"Sports bracelet BLE 5.1 BLE 2.4GHZ GX-03-21C main chip HS6621CQ 64KB RAM 48KB ROM 8ch DMA","attrs":{"Price":"Negotiable","MOQ":"10.0 pieces","Delivery Time":"Negotiable","Brand":"Gaoxin Tech"}}

{"cid":"279623","pid":"36188729","pimg_url":"\/\/img1.tradegrowthhub.com\/74\/33\/21a3f519d8f1\/product\/142615094_s-w400xh400.jpg","name":"Sports bracelet BLE 5.1 Low Energy Bluetooth Transparent transmission module 2.4GHZ GX-03-21CG 64KB ROM 48KB RAM PWM 3x4 8ch DMA","attrs":{"Price":"Negotiable","MOQ":"10.0 pieces","Delivery Time":"Negotiable","Brand":"Gaoxin Tech"}}

{"cid":"279623","pid":"36188722","pimg_url":"\/\/img1.tradegrowthhub.com\/74\/33\/21a3f519d8f1\/product\/142615068_s-w400xh400.jpg","name":"Bracelets BLE 5.0 2.4GHz Low Energy Bluetooth module main chip OM6621DQ 16K OTP 24KB ROM 24KB RAM deeply sleep 2.5uA","attrs":{"Price":"Negotiable","MOQ":"10.0 pieces","Delivery Time":"Negotiable","Brand":"Gaoxin Tech"}}

{"cid":"279623","pid":"36188715","pimg_url":"\/\/img1.tradegrowthhub.com\/74\/33\/21a3f519d8f1\/product\/142615050_s-w400xh400.jpg","name":"Sports bracelet BLE 5.0 Low Energy Bluetooth Transparent transmission module 2.4GHZ 24KB ROM 24KB RAM deep sleep 2.5uA","attrs":{"Price":"Negotiable","MOQ":"10.0 pieces","Delivery Time":"Negotiable","Brand":"Gaoxin Tech"}}