1. Bluetooth 4.1 version, strong compatibility, it could build faster connection and transmit stable signal in high speed.
2. Waterproof and sweatproof design, protect the earphone from damage caused by splash, sweat, and etc.
3. Magnetic absorption, you could hang the earphone around your neck, no need to worry it would fall down.
4. Simultaneous connection, this earphone could be connected with two Bluetooth devices at the same time.
5. Intelligent voice prompt, it would inform you about the real-time state, such as power on/ off, low battery, etc.
6. Unique sound chamber design, high fidelity, provide you more melodious and purely musical experience.
7. This earphone support power display for IOS phone so that you could charge the earphone in time.
|Battery Capacity||70mAh, 3.7V|
|Charging Time (h)||1-2h|
|Working Time (h)||Approx. 6h|
|1* D9 Bluetooth Earphone|
|1* USB Cable|
|2* pair of earmuffs|
I have just received mine one 3 days ago, as it was in the description product is exactly the same after one charge it can be used for 5 hours which is amazing. Also good sound clarity.