Dolphin RTX20 Retrobox Portable Bluetooth Radio Red
- 15 watts of output power
- Frequency response: 20 Hz to 20 kHz
- Dual 2-in. full-range drivers
- Built-in bass radiator for high-quality sound performance
- Playback via Bluetooth, 3.5 mm input, or USB/microSD media
- WaveSync technology to connect 2 Retrobox speakers together via Bluetooth (second speaker sold separately)
- FM radio with telescoping antenna
- Rechargeable 1,200 mAh 3.7-volt Li-Ion battery with up to 4 hours of play time; takes 2 hours to recharge
- Includes USB charging cable