Transducer: 45 mm / 1.75″
Output power: 4.2 W RMS
Frequency response: 90 Hz – 20 kHz
Signal-to-noise ratio: > 85 dB
Battery: Lithium-ion polymer 3.23 Wh (equivalent to 3.8 V / 850 mAh)
Battery charge time: 3 hours (5 V 1 A)
Music playback time: Up to 7 hours (dependent on volume level and audio content)
Bluetooth version: 5.3
Product dimensions: 94.3 x 75.7 x 42.2 mm
Weight: 0.192 kg
IP rating: IP67 (waterproof and dustproof)