SHIDU S318 Wireless Voice Amplifier Supporting BT, FM, TF Card, USB Flash Drive, Record (10W, 2500mAh)

Rated Power: 10W | Wireless Edition | Battery: 2500mAh | Signal to Noise Ratio: ≥90dB | Input: 5V 1.5A | Charging Time: 3–5 Hours | Frequency Range: 80Hz–18KHz | Size: 129×92×49mm | Weight: 586g | Features: Amplification, Radio, Recording, MP3 Player, Computer Audio, Breakpoint Memory