1. Product model: Bluetooth Speaker With Wireless Microphone 2. Bluetooth version: 5.0 3. Battery capacity: 3.7V 1000mAh (speaker) 500mAh (microphone) 4. Horn: 52MM 4 Ω 5W 5. Effective distance: ≥ 10M Playback duration: Speaker ≥ 2-4H, microphone ≥ 2-4H Charging time: Speaker ≥ 2-3H, microphone ≥ 2-3H Response frequency range: 60Hz-20KHz Features: Bluetooth, TF card playback, call mode Changing voice: KTV, original voice, male voice, female voice, Infantile speech, magic voice Input/output: DC 5V 1A Color: White Material: Plastic+Metal Package Contents: 1 set * Speaker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.