HAINOTEKO Speaker – Connectivity: Wireless (Bluetooth) – Frequency response: 100Hz-20KHz – Signal-to-noise ratio: ≥90dB – 1500 mAh lithium battery – Communication autonomy: about 6h – Music playback: about 6h – Standby time: ≥30 days – Charging time: about 2.5 hours – Operating voltage: 3.7 V – Transmission distance: about 10 m – Charging port: Micro USB – Weight: 560 g – Dimensions: 19 x 8 x 8 cm – Colour: Red