SHIDU S128 Bluetooth Speaker (RMS 3W, Multi-functional, Support Digital Select Song Playing)

Output Power: RMS 3W | Model: S128 | Battery Capacity: 800mAh Lithium Battery | Charging Voltage: 5V / 500mA | Standby Time: 8–10 Hours | Frequency Range: 90Hz–18KHz | FM Band: 87.5–108MHz | SNR: ≥70dB | Output: 4Ω | Size: 108×61×33mm | Weight: 102g | Usage: Morning Exercise / Entertainment / Exercise / Opera / Radio / Music / Story / Antenatal Training