| Main centres: | 1-3 business days |
| Regional areas: | 3-4 business days |
| Remote areas: | 3-5 business days |
Product features 1. Switch on to test battery voltage 2. Bluetooth speakerphone, built-in microphone, convenient and safe to receive calls; Caller id 3. CVC noise processing, wind noise suppression, full duplex communication technology; 4, support mobile phone A2DP function, connect to bluetooth and play high-quality mobile phone music directly; 5. Power on and automatically reconnect, automatically entering pairing state; 6. Support TF card extension to play MP3/WMA format music; 7. Equipped with car charger, output 5V -- 2100m, which can charge handheld terminal devices. 8. AVX port output input. Song title display
