Philips Voice Tracer 7880, 70 h, High Quality (HQ), Long Play (LP), Super Long Play (SLP), Standard Play (SP), 300 - 7500 Hz, 128 MB, 0.906 x 0.906" (23 x 23 mm), Mini-USB B Philips Voice Tracer 7880. Maximum recording time: 70 h, Recording modes: High Quality (HQ), Long Play (LP), Super Long Play (SLP), Standard Play (SP), Frequency range: 300 - 7500 Hz. Internal memory: 128 MB. Display size (HxV): 0.906 x 0.906" (23 x 23 mm). USB connector type: Mini-USB B. Weight: 1.76 oz (50 g)