| Disconnect with mobile phone,Bt Adapter/dongle,or GPS? | |
| Fail to re-connect or automatically re-connect with mobile phone? | |
| System halted? | |
| Abnormal instruction of Charging indicator? | |
| Can you use it by charging it? | |
| Can you use other charger to fill in our headphones? | |
| Enter the factory test or USB upgrade mode? | |
| No sound? | |
| Can't start? | |
| What's Bluetooth BLE Mesh? | |
| The Future Development Trend of DELLKING Wireless Bluetooth | |
DELLKING INDUSTRIAL CO., LTD
East Floor 4, Building 8, Lianchuang Science Park Phase I, 21 Bulan Road, Nanwan Street, Longgang District, Shenzhen
+86-755-28441001
tech@dellking.com