Shopping is an enjoymentFeatures:Bluetooth 4.0 Vehicle -Speakerphone compatible with Bluetooth -enabled mobile phones， laptop， tablet， or MP3 player.Compatible with any Bluetooth-enabled mobile phones.Easy to install. Pair to your phone and place on your sun visor.Play music from your Bluetooth device.Dedicated mute button and large easy to access volume controls.With the HD Microphone Strengthening noise cancellation technology.Specifications:Bluetooth Specifications: Version2.0， Class 2Bluetooth profile supported: Speakerphone & Hands-free profilesOperating Frequency Band: 2.4GHz to 2.48GHz unlicensed ISM bandWireless Connection Range: 0~10metersRechargeable Battery: 3.7VDC， 650mAH， (#BL-5B compatible)AD/DC Charger: DC5 to 6V， 400mANormal Charge Time: up to 3hrs. (approx)Talking time: up to 17hrs.Standby Time: up to 48hrs.Dimension: Bluetooth Speakerphone: L11.5cm*W4.5cm*H1.4cmPackage includes:1 *Bluetooth Vehicle SpeakerphoneJust to go shopping.