Feature:1. Clear sound with echo and noise cancellation.2. Supports streaming music, podcasts and GPS navigation.3. Voice prompts battery power and Bluetooth connection status.4. Automatically adjust volume and pair to phone automatically.5. Support multi-device pairing, memorize 8 Bluetooth mobile phone pairing records.Specification:Condition: 100 percent Brand NewItem Type: Bluetooth Handsfree Speaker Material: ABSColor: As picture shownBluetooth Version: Bluetooth V3.0 and EDRWorking Frequency Band: 2.4GHz-2.48GHz SIMOutput Power: Class 2, Up to 10 Meters.Support Specifications: HSP and HFP ProtocolsMusic Transfer Playback: SupportAutomatic Power Off: Support Support Multi-Device Pairing: Remember 8 Bluetooth mobile phone pairing recordsStandby Time: Up to 1000 Hours or 41 DaysTalk Time: 10-16 HoursCharging Time: About 3 HoursCharging Voltage: DC 5.0V500mABattery: 800mAh, CR2025Instructions:1. The key to answer the call, the last song played by the music2. The phone hangs up the button, the music plays the next song3. Volume control,4. Music play or pause button5. Horn6. MicrophoneBluetooth Operating Instructions 1. Bluetooth pairing, long press the phone call button on the host to turn on the Bluetooth power on the Bluetooth host. After the power is turned on, use a mobile phone to search for 828 and pair.2. Music playback, open the music file on the phone to play3. With Bluetooth A2DP audio configuration, you can listen to navigation instructions and music played by your smartphone via Bluetooth4. Support for automatic shutdown, 5 minutes after Bluetooth disconnected, Bluetooth hands-free will automatically turn off the power after detecting that Bluetooth is not connected with the phone5. Call management, when receiving a call, navigation, audio will automatically switch to the call state, after the call is automatically switched to the audio state.Package List:1 x Car Charger1 x Sun Visor Bluetooth Speakerphone1 x Instruction1 x Data Cable