X9 Mini Stereo Sound Wireless Headphones Bluetooth 5.0 In-ear HiFi Earphone with Mic - Black

• Bluetooth 5.0 main control chip, support 10m transmission distance

• The built-in DSP audio processing system can eliminate noise and echo, ensuring clear communication and music

• Super mini earphones hidden in the ears, compact and light

• Safe battery protection, guarantee working time up to 5 hours

• The headset can be connected to 2 Bluetooth devices at the same time, such as for iPhone, for Samsung, for Huawei and other mobile phones, PC, Pad and other devices for call/music/game

Specification:

• Headphone type: in-ear, both left and right ear can be used

• Bluetooth version: V5.0 + EDR

• Bluetooth configuration: hands-free/headset

• Support protocol: HEP / HSP / A2D / AVRCP

• Transmission distance: more than 10m

• Battery type: 55mAh rechargeable lithium battery

• Charging time: about 1h-2h

• Working time: 4-6 hours of music (volume will affect time)

• Standby time: about 100-150 hours

• Frequency range: 2.40--2.48 ghz

• Distortion coefficient: ?1%

• Frequency response: 20 hz-20khz