APP Controlled Micro SD Bluetooth Rechargeable Musical Lollipop with Micro SD Card Enterprise Version comes with a removable Micro SD card, which is mainly designed for enterprise users who has the requirement to change audio content in batches, the storage of up to 50 audio files. Consumers can also connect Lavoli Enterprise Version to a mobile phone APP via Bluetooth to facilitate audio selection, recording, mixing. Location-based Service (LBS) function is applied on APP, which can play the audio guide introduction of the tourist attractions according to the location. The version is designed with a thoughtful volume control button. Specification of APP Controlled Bluetooth Rechargeable Musical Lollipop with Micro SD Card Audio files 1) Sync with Bluetooth device 2) Load from Micro-SD card 3) Load from a computer via USB Type C cable 4) Prestored during production Bluetooth version Bluetooth 5.0 Bluetooth protocol HFP/A2DP/HSP/AVRCP Transmission distance 10 meters Audio file format .MP3 Sound quality (sampling rate) <128KHz ROOM Micro-SD card 64MB Time of continuous working >30min @25℃ *From 100% power Storage time before using 18 months Operation temperature -10-30℃ Operation humidity 0%-85% RH Storage temperature 10-30℃ Storage humidity 0%-85% RH Battery type and capacity Lithium battery 3.7V 65mAh Operation voltage 3V-5V Operation current Average: 120mA Max.: 300mA Charging voltage 5V DC Charging current 100mA Lollipop dimensions (L*W*H) 141*34*20mm Lollipop net weight 28g Including 1) A lollipop 2) A pair of earplugs 3) A USB Type C cable 4) A Micro SD card Key Features of APP Controlled Bluetooth Rechargeable Musical Lollipop with Micro SD Card Connecting Lavoli Android APP via Bluetooth, supporting audio selecting, recording, mixing on APP More functions refer to below Introduction of Lavoli APP Removable TF card up to 50 songs for customizing your audio, supporting enterprise customization Professional audio decoder & amplifier chip Universal Type-C charging port, audio data transfer is supported Made with more considerate details: Volume control buttons Tooth-friendly sugar substitute Key Features of APP Controlled Bluetooth Rechargeable Musical Lollipop with Micro SD Card Application of APP Controlled Bluetooth Rechargeable Musical Lollipop with Micro SD Card The application of Lavoli is extremely wide. It comes with beautiful music, holiday songs, and English fairy tales. It is suitable for consumers who want to experience new things. It is also an excellent choice when giving gifts. You can use a Micro SD card or mobile phone APP to record personal wishes and give the recipient. Lavoli Musical Lollipop is convenient for companies to customize audio, as event props for themed parties, audio wedding invitations for wedding planners, promotional gifts for exhibitions or events, player of idol's new songs prepared by fans, etc. Introduction of Lavoli APP - Massive copyrighted cloud music library - Massive cloud educational resources & audiobooks, etc. - Based on LBS to provide the world's top tourist attractions audio guide - Multi-functions just like audio selection, recording, editing, mixing - Currently, only support Android devices and the iOS version is under development As a lollipop supplier, we have types of suckers that play music for sale, if you have needs, please contact us.