7 4v bluetooth hi fi speakers

{"cid":"91208009","title":"Portable 20W Bluetooth Hi Fi Speakers For Cell Phone Charging 7.4V 2000mAh Battery","imgUrl":"https:\/\/img.ismap.com\/nimg\/35\/76\/b1dd92d6c29bb1ed5a3750c9b38b-200x200-1.jpg","attrs":{"Price":"USD 29.42-31.96 per piece","Brand Name":"OZZIE","Model Number":"OZ-D20","Minimum Order Quantity":"500 pieces","Delivery Time":"30-40 work days","Certification":"CE FCC ROHS REACH","Place of Origin":"China","Payment Terms":"T\/T, L\/C, Western Union","Supply Ability":"130K Pieces per Month","Packaging Details":"Gift Box , Carton box , 10pcs\/ctn , 8.4kg\/ctn","Special feature":"Wireless charging phone","Use":"Mobile Phone, AUX IN, TF Card reading","Color":"Black","Bluetooth":"V5.0+EDR","Material":"ABS+Black Aluminum alloy","Function":"Bluetooth, TWS, Wireless charging phone","Weight":"840g","Battery capacity":"7.4V 2000 mAh","Battery Type":"Lithium Ion Battery","Speaker":"D45mm 20W*1"}}