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% Brand New Item Type: Bluetooth Handsfree Speaker Material: ABS Color: As picture shown Bluetooth Version: Bluetooth V3.0 + EDR Working Frequency Band: 2.4GHz-2.48GHz SIM Output Power: Class 2, Up to 10 Meters. Support Specifications: HSP and HFP Protocols Music Transfer Playback: Support Automatic Power Off: Support Support Multi-Device Pairing: Remember 8 Bluetooth mobile phone pairing records Standby Time: Up to 1000 Hours / 41 Days Talk Time: 10-16 Hours Charging Time: About 3 Hours Charging Voltage: DC 5.0V，500mA Battery: 800mAh, CR2025 Instructions: 1. The key to answer the call, the last song played by the music 2. The phone hangs up the button, the music plays the next song 3. Volume control, 4. Music play / pause button 5. Horn 6. Microphone Bluetooth 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 play 3. With Bluetooth A2DP audio configuration, you can listen to navigation instructions and music played by your smartphone via Bluetooth 4. 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 phone 5. 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