Main Specifics Style: Solar Power Handsfree Bluetooth Car Kits LED Display Frequency: 2.4GHz~2.408GHz Bluetooth: V2.0 CSR BC3 Connect Distance: Class2 0~10m Talking Distance: 0~1m Temperature: 0~60 degrees Store Temperature: -10~70 degrees Weight: 150g Package Included: 1 x Solar Power Handsfree Bluetooth Car Kits LED Display 1 x Car Charger 1 x USB Cable The Solar Powered Wireless Bluetooth Headset Bluetooth 3.0 Car Kit Hands-free Bluetooth Car Kits Built-in Rechargeable Li-ion Battery with LED Display is designed for keen convenient, free wireless communication between the users and environmental design. It is very suit for automotive, school, office and other occasions.