Built-in large capacity battery
Four balanced guide pillars
Support 12 different languages: English
Work Environment Working Temperature 0 to +45 Degree Celsius
and business class projector based applications
Built-in MIC, Support TF Card & AUX IN, Bluetooth Distance: 10m Wii Spare Parts Built-in large capacity battery1. Designed with mesh premium, you can enjoy music with the case on 2. Protect your speaker out of Scratches 3. With strap, easy to carry outdoor 4. Bluetooth version: 4. 1 5. Battery charge time: about 3. 5 hours 6. Music play time: up to 15 hours 7. Battery type: Lithium ion Polymer(37Wh) Specification: General Compatible with Apple: iPhone 13 Pro Max, iPhone 13, iPhone 13 mini, iPhone 13 Pro, iPhone 12, iPhone 12 Pro Max, iPhone 12 Pro, iPhone 12