Description: Using the new generation Bluetooth-compatible 5.2 chip, this headset is low power consumption, a stable connection signal, and no latency, so you do not need to worry about call lag. And it supports TF card playback mode, allowing you to listen to songs at any time without your phone. With a composite diaphragm design and intelligent noise cancelling, the headphone avoid ambient noise and balance high, middle and low tones, allowing you to enjoy high-fidelity stereo surround sound. It is made of metal and ABS material. With a power digital display, this headset allows you to check the power and recharge it in time. The length of this earphone is 20cm, the width is 15cm and the thickness is 2cm. This wireless earphone is suitable for listening to music, calling, playing games, and so on. Item Name: Wireless Earphone Material: Metal, ABS Earphone Type: In-Ear Noise Reduction: Intelligent Noise Reduction Playback Control: Yes Chip Type: Bluetooth-compatible V5.2 Centronics 5616B1 Playback Mode: Bluetooth-compatible, Card-Insert Dual Mode Bluetooth-compatible Protocol: A2DP.AVRCP.SPPP.HFP Battery Capacity: 250mAh Frequency Range: 2.4GHZ Spectrum Frequency Range: 20Hz-20KHz Talk Time: 15 Hours Maximum Talk Time 60 Volume Play Time: 60 Volume Maximum Play Time 15 Hours Standby Time: Approx. 180 Days Communication Distance: 10 Meters in Open Space Directly Opposite Communication Distance Sound Channel: True Stereo Instructions: Simply Press The Volume To Add Or Subtract (+, -), Long Press To Add Or Subtract The Previous Song And The Next Song, Press The Power Button (Pause/Play), Long Press The Power Button (Start/Shut Down), Double Click (Start/Shut Down) To Switch Between English And Chinese, And Three Clicks (Start/Shut Down) To Switch Between TF Card Features: Stereo Surround, Long Endurance, Intelligent Noise Reduction Size Details: L: 20cm/7.87", W: 15cm/5.91", H: 2cm/0.79"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Earphone 1 x Data Cable Using the new generation Bluetooth-compatible 5.2 chip, this headset is low power consumption, a stable connection signal, and no latency, so you do not need to worry about call lag. And it supports TF card playback mode, allowing you to listen to songs at any time without your phone. With a composite diaphragm design and intelligent noise cancelling, the headphone avoid ambient noise and balance high, middle and low tones, allowing you to enjoy high-fidelity stereo surround sound. It is made of metal and ABS material. With a power digital display, this headset allows you to check the power and recharge it in time. The length of this earphone is 20cm, the width is 15cm and the thickness is 2cm. This wireless earphone is suitable for listening to music, calling, playing games, and so on.