This is no built-in battery version, Please use external power adapter to supply power before using all the function. *Upgrade to Mini Size,So Please note if this size is what you need!!! It is a alarm clock,but also a bluetooth speaker,wireless charger. Description: 1. Input voltage: 12V/2.5A 2. wireless output: 5w-7. 5w-10w-15w (Max) 3. Bluetooth audio power: 5W 4. Material: ABS PC 5. product color: white/black 6. Lighting mode: 9 modes ligth 7.Bluetooh Version : 5.0 8. Transmission distance: 5-10mm 9. Charging efficiency: 75% 10. Working frequency: 50HZ-20KHZ 12. Net weight: 250g(Upgrade to Mini Size) 13. Product Size: 15*15*5.5cm (upgrade to mini size) 14. It has Bluetooth Speaker function , AUX , TF Cardmodes , you can choice your favor. 15.Please Charging all the time when you use it.It can't use battery. Specifications: Function description: wireless charging,atmosphere lamp, bedside lamp, dazzling light effect, Bluetooth audio, speaker play and Aux, TF ,Time, Alarm Clock mode. Click the "M" button to switch 9 light color modes (solid color, two-color horse running, three-color horse running, seven-color horse running). Package Included: 1*User Manual 1* Type C Charging cable 1* wireless charging alarm clock Notice: 1.For fast charging experience and Use all function at the same time, please use QC 3.0 power adapter. *It works for ALL Phones that support wireless charging !!!
