Bluetooth 4.1 In-Ear Headphones, Mini Stereo Wireless Headphones with Built-in Mic for Xiaomi, Huawei and Meizu (Black)

Features:
High-fidelity sound quality, Wireless songs enjoy，Allows you to conveniently answer calls while driving
Long working time after full charge without external power，Deep DPS-noise reduction microphone ensures clear call quality
Invisible ear hook design: ergonomic, long-wearing, painless and skin-friendly material, comfortable and long-lasting to wear.
IPX5 waterproof rating, so you no longer worry about rain and sweat, fearless and more free
Stable transmission: Bluetooth 5.0, the signal is stable, the new generation of low-power Bluetooth 5.0 chip signal is more stable and faster.
The 180°rotating earpiece can be worn freely. The left and right ears can be switched freely, and the adjustment angle is no longer restricted.
The hard-core Bluetooth 5.0 chip rejects Freezes delay. The built-in high-resolution decoder makes the signal farther, high-speed transmission, and zero delay for playing games and watching movies.

Specification：
Bluetooth version: V5.0
Talk time: about 3 hours
Music time: about 3 hours
Charging time: about 2 hours
Battery capacity: 50MAH
Standby time: about 100 hours
Frequency: 20Hz-20KHz
The impedance is 32 ohms, the sensitivity is 85dB/mW
Waterproof rating: IPX 5

Package:
1*YX01 Bluetooth headset
1*USB charging cable
1*Instruction