It is comfortable to wear this headphone for a long time because it has adjustable head beam and the soft cushions.<br> This headphone adopts Bluetooth-compatible5.0 chip and intelligent noise-reduction technology, supporting stereo surround sound effect and mega bass.<br> It is constructed of ABS material.<br> The length of this wireless headphone is 16cm, width is 8cm and thickness is 4cm.<br> This wireless headphone is suitable for doing sports, fitness, running, hiking, walking and so on. It is card play and FM radio, which is multifunctional.<br> Item Name: Wireless Headphone<br> Material: ABS<br> Audio Input: 3.5mm Jack<br> Speaker Sensitivity: 105+-3dB<br> Speaker Withstand Power: 25mW<br> Speaker Frequency Range: 20Hz-20KHz<br> Impedance: 24ohm<br> Microphone: Support<br> Microphone Frequency Range: 30Hz-16KHz<br> Microphone Sensitivity: -58+-3dB<br> Bluetooth-compatible Version: V5.0<br> Transmission Protocol: EDR+A2DP<br> Transfer-Encoding: SBC<br> Noise Reduction Technology: DSP+AEC<br> Frequency Range: 2.402-2.480GHz<br> Effective Transmission Distance: 10m<br> Transmit Power: 5dBm<br> Battery Capacity: 150mAh(Included)<br> Charging Current: 5V 500mA<br> Charging Time: Less Than 1H<br> Usage Time: Larger Than 5H<br> Standby Time: Larger Than 1000H<br> TF Card: Support Up to 32G<br> Features: Sensitive, Comfortable, Stable Transmission<br> Size Details:<br> 16cm x 8cm x 4cm/6.3" x 3.15" x 1.57" (Approx.)<br> Notes:<br> Due to the light and screen setting difference, the item's color may be slightly different from the pictures.<br> Please allow slight dimension difference due to different manual measurement.<br> Package Includes:<br> 1 x Wireless Headphone<br> 1 x USB Cable<br> Note: 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. Sold by-DIMEANI official store