REMAX RB M26 Bluetooth Speaker

Power: 4W, Range: 10m (without obstruction the 40mm speaker, Bluetooth version: V4.2, Dimensions: 98 * 94 * 42mm, Frequency response: 80Hz-20kHz, Battery: 3.7V / 1800mAh, Weight: 180g. Play time: 15 hours, Talk time: 15 hours, Charging time: 3.5 hours, Power: 4W