3.7v Lithium battery for wireless microphone.
Wireless microphone, small and convenient, automatic pairing, plug and play, simple operation. Free recording is not limited, and it is suitable for multiple scenes and equipment.
The wireless microphone, sound card and mixer are intelligently integrated through digital technology, thus greatly simplifying the combination method of the home karaoke system, making it simple and convenient for family karaoke and friends to gather karaoke, and even reaching the level of karaoke, hosting, teaching and meeting anytime and anywhere.
Type of bluetooth lithium battery: XL 3.7v 240mah.
Bluetooth lithium battery cell model: 552025.
Lithium battery IC: Seiko.