cproduct characteristics: 1.3000 ma super-large capacity can charge the mobile phone. 2. bluetooth 5.0 has more stable transmission, faster speed and lower power consumption. 3. simplicity: one-click pause/play/answer/hang,. support volume add and subtract control, double-click start siri/hang, long press 2 seconds up and down 4. intelligent breathing lamp (controllable switch), xp7 waterproof. 5. open the cover and get rid of manual operation, automatically start and match back.