NEXTEL I80S Talk Time up to 3 hours Standby up to 28 hours Direct Connect Talk Time: approx.13 hours Weight: 4.2 oz. Built-in Fraud and Cloning Protection 250-Entry Consolidated Phonebook. Voice Activated Dialing. Java 2 Micro Edition™ (J2ME) Ready . Includes convenient features like Speakerphone, Last 10 Numbers Received / Sent Call List, Missed Call Indicator, Turbo Dial® keys for one-touch dialing, VibraCall® alert and much more. SAR Radio frequency emission rating: 1.37 W/kg