Wireless Bluetooth Headphones with Noise Cancelling Over Ear Stereo Earphones 1. Bluetooth headphone Fit Everybody: No matter you are office worker or student, teenager or girls.Devices with all sorts of smart phones, tablets, computer or music player. bluetooth headphones feature High-fidelity &heavy bass,they suppress noise and provides you with a crisp clear sound during music or phone calls. 2. 3 in 1 Multi-Functions: These bluetooth headphones with microphones also can be used as corded headphones with 3.5mm audio cable,support (maximum 32G) and functions like a mp3 player 3. Space-saving: foldable design not saves space but also makes it portable. Best choice to take it study, outwork, travel. 4. Long Battery Life: 400 mAh high capacity rechargeable battery provides up to 6 hrs play back.Standby 250 hours. 5. Convenient Hands-Free Call: Built-in Microphone and volume control easier to pick up any incoming calls and enjoy voice chat or call communication when you are listening music. Never worry about miss any phone call.(But please note that the built-in microphone works in the wireless bluetooth mode.) 6. Hinge: The headband gives your headphones some flexibility so they can adapt to the shape of your for a perfect fit. 7. Stereo Hi-Fi Audio: This headset uses a Bluetooth music chip to ensure stable passive noise cancellation. Connect it to your device and enjoy H F, strong bass, clear, clear music all day long 8. Wide applicability: These incredible headphones support the mode. You can use TF / Micro SD Card ( under32gb ). Does not contain a TF memory card. Microphone high integrity most smartphones. MP3, MP4, PC,, DVD, mobile, tablet, PC, laptop,, etc. 9. Supports up to 128G and comes with FM stereo radio 10. Colorful LED Light: Seven-color transform cool breathing light, everywhere, anytime. 11. CVC6.0 Noise Cancelling: Acoustic E-cho cancellation and noise reduction effectively reduce ambient noise while talking, make far-end listener cannot hear what you said become, just like talking face to face. Specification: Version: V5.0 Frequency: 2,402-2,480 GHz, 2,4 G ISM-Band Power :≤ 4, class 2 Effective range L:10M Sensitivity ：-84dBm / 0.1% BER Frequency response ：20 Hz - 20 KHz S/N rate ：70 dB Distortion： 0.10% Speaker size： 40mm support： A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5 Voltage ：3.7VDC (built-in 400MAH rechargeable battery) talking time ：10 hour standby time ：250hour charge time： 2-2.5 hour Battery Capacity: 400mAh Pacakge: 1 x the colorful bluetooth headset (Please choose color) 1 x USB charge cable Designed for long-lasting comfort, our In-Ear Bluetooth Headset features soft ear hooks and interchangeable ear tips in different sizes, ensuring a secure and comfortable fit for all-day wear. Wireless Convenience: Say goodbye to tangled wires and cables! Our Bluetooth headset is equipped with advanced Bluetooth technology, enabling you to enjoy hands-free calling or music streaming effortlessly. Experience the freedom of wireless connectivity. High-Quality Sound: Enjoy yourself in clear audio with our premium speaker-equipped headset. Whether you are listening to music, podcasts, or in phone calls, our headset delivers crisp and clear sound quality, enhancing your overall listening experience. Long Battery Life: Our headset boasts a built-in rechargeable battery that provides up to 10 hours of continuous playtime. This extended battery life ensures that you can enjoy your favorite music or take important calls throughout the day without worrying about running out of power. Versatile Compatibility: Our headband headset is compatible with all Bluetooth-enabled devices, including smartphones, tablets, and laptops. Seamlessly connect and enjoy your media on various devices, making it a versatile choice for both personal and professional use.