Multi-functional combination: The product integrates the three functions of Bluetooth speaker, mobile phone holder and power bank to meet a variety of needs. Bluetooth speaker: Built-in high-quality speaker, providing clear sound quality, suitable for listening to music, watching and other scenarios. Phone holder: The angle can be adjusted, which is convenient for watching videos or live streaming, freeing your hands. Power bank function: with a large-capacity battery, it provides emergency charging for mobile phones and solves the problem of insufficient power. Portable design: Compact and compact size, easy to carry around, suitable for home, office or outdoor use. Model: L37 Product size: 14x8.6x5.2cm Applicable models: general-purpose 18650 battery capacity: 1200 mAh Power input: 5V 2A Power output: 5V 2A Charging port: Type-C Charging time: 3-4 hours Usage time: Max. 16h / Medium 60h Audio type: External magnetic: 4 ohms and 5 watts Bluetooth output power: 3.5W-6W Bluetooth version: 5.3 Bluetooth name: L37 Note: Plug in the data charging cable and connect to the computer USB to use it as a computer speaker Color: Black Material: ABS plastic + silicone Package Contents: 1 * Bluetooth Speaker 1 * Charging cable 1 * English instruction manual 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.