Champtek Solar Powered Hands-Free Multipoint Speakerphone Bluetooth V3.0. Working Distance: Class 2 (up to 30ft) Support HSP & HFP Profiles. Support Multiple Paired Device: Memorize paired data of 8 Bluetooth phones Talk Time: 5 hours. Standby Time: 1000 hours. Charging Time: 2 hours by car charger or 9 hours by solar Dimensions: 3.98 x 1.89 x 0.43 inches (L x W x H) Package contents: BT-962S 1pc, USB Car Charger 1pc, Micro USB Cable 1pc, Windshield Mount & Suction Cups 1pc, User Manual 1pc