Built-in 800mAh safety lithium , using low- and micro- technology, 2 hours fast charge, providing long life.
LED display Real-time monitoring of : with LED digital display, real-time monitoring of the of the headset, charging in time when there is no , the is clear at a glance.
Bluetooth + memory card, can play music. A Bluetooth mobile phone with a memory card can listen to music without a mobile phone. The large memory card can listen to 10,000 songs. Connect immediately after booting. Memory linkage function, can be used after booting, built-in Bluetooth 5.0 chip, can quickly search for data and memory-unit
lOS smart voice assistant press and hold for one second to call Siri: our smart voice assistant, Press the headset, you can call the voice assistant, the privacy around you, convenient and comfortable
neck hanger can be bent arbitrarily: smooth skin-friendly material, unique memory arc, automatically re-bind to restore the original shape, adjust the arc at any time, more comfortable and natural to wear.

Fully compatible: It can be used in conjunction with Bluetooth, supports multiple APP platforms, and is widely compatible with Android, IOS, and Windows systems.
Bluetooth version: v5.0
Transmission distance: 10 meters
capacity: 800 mAh
Use time:100 hours
Charging time: about 2 hours
Support TF card 32-128G to play music(TF Card not included)
Material:ABS
colour:black

Package Contents:
1 * Bluetooth earphone

Only the above package content, other products are not included.
Note: and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.