Brand: n/a Model: A81 Type: Retail Color: Green Special Features: Water-resistant dust-resistant impact- and scratch-resistant. IP57 test passed 512MB TF card included. Dual SIM Dual Network Standby IMEI: Unique Format: Tough bar phone Cell Phone Weight (w/Battery): 155.0 g Operating System: Proprietary Ruggedization: IP57-dust & water submersible Resistance to drop: 1.5m LCD Screen: 2.0-inch TFT LCD screen Screen Resolution: 240 x 320 pixels Built-in Memory: 1016KB built-in Touch Sensitive: n/a Network Bands: GSM 850/900/1800/1900MHz SIM Slots: (Dual) 2 SIM Slots + Dual Network Standby (One-Party Conversation Only) Data Connections: GPRS/SMS/MMS Bluetooth: v2.0 Wi-Fi/Wireless LAN/WLAN: n/a Speakers: Single Memory Slot Type: MicroSD/TF card up to 8 GB in size (512MB TF memory card included) Digital Camera(s): 2.0 MP Back camera with max 1920 x 1080 pixels resolution JAVA: Yes Playback Formats: MP3/WAV/AMR/MP4/AVI/3GP TV Tuner: n/a FM Radio Tuner: Yes Voice Recording: Yes Batteries: 2 x 1500mAh lithium batteries AC Charger: 100~240V AC Charger included (US Plug) Recharge via USB Port: Yes Phone Language(s): English / Chinese User's Guide: Chinese user guide Accessories Included: 2 x 1500mAh lithium batteries 1 x Earphone 1 x USB cable with AC adapter 1 x 512 MB MicroSD card (with English user manual bundled) 1 x Dynamo Emergency charger