3 7v battery bluetooth magic hat

{"cid":"91221302","title":"Bluetooth MPOS Android Systems & Services Payment Linux POS Terminal 2.8 Inch Screen","imgUrl":"https:\/\/img.chinax.com\/nimg\/0d\/96\/a2ff84997e3f5d17f5024c50b859-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"TOUSEI","Model Number":"TS-B70","Minimum Order Quantity":"1 unit","Place of Origin":"Guangdong, China","Payment Terms":"T\/T, Paypal, Alipay","Packaging Details":"Carton","Country of Origin":"China","Smart POS OS":"Linux System","Printer":"Bulit in 58mm Thermal Printer","Display":"2.4 inch Screen","Battery":"3.7V & 2600mAh","Communication":"4G\/3G\/2G\/Wi-Fi\/Blue tooth"}}

{"cid":"91221830","title":"180mAh 3.7V Lithium Battery Heavy-Duty Bluetooth Smart Fingerprint Padlock for Door","imgUrl":"https:\/\/img.chinax.com\/nimg\/57\/9a\/9d425184b057f0cee173c47bd8bc-200x200-1.jpg","attrs":{"Price":"$20.88\/pieces 2-99 pieces","Brand Name":"Polymath","Model Number":"P22+","Minimum Order Quantity":"2 pieces","Place of Origin":"Fujian, China","Unlock way":"App+Fingerprint","Battery":"Lithium battery 180mAh 3.7V","motor":"Planetary gear motor M10","USB interface":"Micro USB 5V 0.5A (emergency + charging)","Lock body material":"Integrated die-casting zinc alloy","Power supply":"USB Interface","MOQ":"10pcs","storage":"10 sets of fingerprints","technology":"Biometrics","Product Name":"Waterproof Laminated Padlock"}}