ModelA7ColorYellow/Black/Red/Blue/GreenMaterialABS+SiliconeQuantity1SetSpecificationBluetooth HandsfreeYesBluetooth VersionV2.1Communication Distance10m(30ft)Total Power3WChannels2.0InterfaceTF， CharingMicrophoneYesSNR85dBFrequency Response100Hz-18kHzApplicable ProductsSmartphone/PC/Cell PhoneRadioYesSupports Card TypeMicroSD (TF)Max Extended Capacity16GBRemote ShutterSupportPowerBattery TypeBuilt-in BatteryBattery Capacity500mAhTalk Time4 HourMusic Play Time3-5 HourCharging Time2-3 HoursDimensions & WeightDimensions (Speaker)4.85 in x 2.44 in x 1.50 in (12.3 cm x 6.2 cm x 3.8 cm)Weight (Speaker)3.81 oz (108 g)Dimensions (1 Set)5.99 in x 3.35 in x 1.74 in (15.2 cm x 8.5 cm x 4.4 cm)Weight (1 Set)5.33 oz (151 g) Packing List1 x Bluetooth speaker1 x Charing cable1 x English user manual