G29 AUX Wireless Bluetooth Receiver 3.5mm Jack Handsfree Car Kit Audio Music Adapter Specifications:Model: G29Material: ABSColor: BlackInstallation method: 3.5mm audio port dockingInput: 5V (300mA)Bluetooth version: V4.2Working distance: 10 metersCharging time: 1 hourCharging device: Micro USBMaximum continuous play time: 6 hoursProduct size: 62*18*15.5mm/2.44*0.71*0.61"Gross weight: 40g Notes:1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not show the actual color of the item because of different photographing light, angle and display monitor.