RLX JS9 Sport Smart Watch Bracelet Heart Rate Blood Oxygen Bluetooth Call Message Reminder Full Function NFC Automotive Motorcycles>apply battery: 1 x 18650/1 x

battery: 1 x 18650/1 x 26650 (not included)

tape measure

included plastic draining tray will keep counter dry after use

wake you up with natural sound or fm radio

special 40mm large dynamic speaker gives impressive stereo music

RLX JS9 Sport Smart Watch Bracelet Heart Rate Blood Oxygen Bluetooth Call Message Reminder Full Function NFC Automotive Motorcycles>apply battery: 1 x 18650/1 xMeasured metrics : heart rate monitor Tracked Activity : Other Category : Smart Watches downloadable application : Yeah Resolution : 400*400 Screen size : 1. 35 Movement type : electronics Style : SPORT Product age group : adults Screen shape : round Box material : ALLOY Band material : Silica gel Waterproof degree : Lifetime waterproof Available SIM card : No Mechanism : Yeah Various spheres : Yeah GPS : No network mode : None Battery capacity : 220