Product features overviewThis product is a multi-functional mounting bracket clipper designed for smart phones and other portable devices.Features includephone fixing， audio amplifier and FM transmitter.Features:1: Universal， suitable for all kinds of mobile phones， games， GPS and other portable mobile devices2: Suitable for home/office/in-car uses3: Hands-free function4: Work as navigation， video playing， Car DVR5: Transmit music from mobile phone to car audio6: Speaker/FM transmitter. Two modes can be switched7: Digital display FM transmitter frequency， last memory8: Supports TF card music playing9: Supports MP3/WMA format10: Supports LINE audio input11: Supports answer/ reject a call12: Supports charging other devices via USB cable13: Stable sucker clip structure. Solid and reliableclip for smartphones with a maximum 10cm width14: Built-in rechargeable lithium batterySpecifications1:The Aux input hole: 3.5mm standard audio input jack with 4 sections2: Speaker output power: 4 ohms / 2W3: FM transmission frequency: 87.5 ~ 108MHz4: Built-in lithium battery capacity: 300 MHA5: Charge: DC5V 1A6: Maximum phone width: 10cm7: Operating temperature -10 to 60 ℃8: Storage temperature -20 to 70℃Included accessories1. Main unit2. Phone mount 3. Audio cable4: Car Charger 5V/1A5: MICRO USB charge cable 1.2M 6: MICRO USB charge cable 30mm7: Manual8: The packing box Net Weight: 298g