Model JB-SD101 Quantity 1 Color Black Material Plastic Internal Storage SD card up to 8 GB Memory Card Type SD Max Extended Capacity 8GB Recording Time 1GB internal storage can record up to 35 Hour Record Audio Format MP3 Built-in Speaker No PC Interface No Other Features Automatical recording play history records during a call both sides listen to the records; LCD screen simple user interface simple operation; Recording folder named by date sequence in time easy for search; 3.5mm earphone jack listen to record file freely; 2-mode: auto / manual Packing List 1 x Recorder 1 x 220V 2-flat-pin plug adapter (140cm) 1 x Telephone cable (110cm) 1 x English / Chinese manual