Brand Name: Techcool Model Number: CB06 Style: In-Ear Communication: Wireless Connectors: 3.5mm Use: Car charger Function: Bluetooth, Microphone Place of Origin: China (Mainland) Color: Black, Gold, Pink Charging time: 1.5h Chipset: CSR4.0 8610 Talking/Music-playing Time: up to 3 hours Standby Time: up to 180 hours Battery capacity: 35 mAh Working Distance: 10m metrial: Aluminium usb Output: 5V;2.1A Input: DC12V-24V color: golden and black Features: 1. Metal surface, made by CNC 18 process. 2. Output 2.1A max 3. Intelligent recognition device, provide appropriate current. 4. Five circuit protection, safety first. 5. Support Quick charge. 6. 95% power conversion rate, more effective and more efficient. 7. Compitable with almost smart devices. 8. Suitable for almost car.