This complete set has a Voice recording system with an MP3 player and has an internal storage of 8 GB. and has a memory card slot to extend the storage capacity as per the requirement. 
 
Features -
4 hours battery backup 
12 hours standby 
16 GB expandable Memory
Volume Buttons 
MP3 player button
 
 
For more details please contact us Via WhatsApp at +91 9774638866. 
Delivery time based on courier serviceability. Normally 7 to 10 days. 

We do use the surface delivery method only because Lithium-ion batteries restricted for AIR mode.
 
Cautions - 
Don't use this earpice for longer time. 8 to 9 hrs is maximum use time since it's electromagnetic ways might harm if exposed for longer durations. 
Never sleep with earpiece in your ear
Do not insert forcefully. Don't push the earpiece as they might harm your ear canal/drum. 
The buyer shall not use the product for any illegal purposes and shouldn't permit anyone to use the product in any kind of unlawful activities. We promote our products for betterment for our lives not to go against law, or humanity.