1. Speaker unit: 45mm diameter, 4Ω/5W.
2. Product size: 240*73*51mm. Weight: 285g.
3. Wireless specification: Wireless V4.2.
4. Battery capacity: 1800mAh. 18650 built-in battery, detachable charging. Charging time: 3 hours. Music time: 5 hours.
5. Wireless connection: microphone can be connected to mobile phone through Wireless. TF card playback support (up to 32Gb).