Buyer Note: If you are satisfied with our service, we appreciate you leaving us a positive feedback and 5 star rating review! Your opinion is important to the success of our business. If you are not satisfied with the product or have not received the product for more than 35 days, please contact us to resolve, we will do our best to solve. We are sure to come up with a satisfactory solution. Please contact us first before leaving cold feedback or good feedback of 1-3 stars and opening the case. We'll do our best to solve your problem. Because we believe that everything can be solved through communication. Thank you very much！ New Bluetooth 5.1 Headset Wireless Earbud Earphones Stereo Headphones Ear Hook 🎧 ERGONOMIC COMFORT - Ear-hanging design. Ergonomic, ear-hanging anti-drop, according to the shape of the human ear, spread the force points of the ear, so that the ear is evenly stressed, the headphones will not fall off during strenuous exercise. 🎧 NOISE CANCELLATION - Deep noise cancellation. Intelligent noise reduction for HD calls and intelligent voice call voice reduction technology greatly optimizes the clarity of the sound. Thus you will not be disturbed during the call and the person on the other side will not be disturbed by the noise here. 🎧 HIGH DEFINITION SOUND - High definition surround sound quality. Professional sound quality with a 13mm premium moving coil unit and large composite diaphragm moving coil for lossless high frequency sound quality. Low and mid frequencies sink and rise, high frequencies are bright and transparent, creating a feast for your ears. Composite diaphragm woofer, full and powerful bass. High-frequency metal diaphragm speaker, the treble is delicate and not harsh. 🎧 V5.2 LOW LATENCY - Upgraded wireless 5.2 tends to be low latency, say goodbye to audio delays in games and TV series, fast streaming from 10m away; better compatibility and more stable connection signal. 🎧 ONE BUTTON OPERATION - Intelligent control, one key of the headset can be used for music, call, voice assistant, previous song, next song and other operations. Button-based, just tap the button to control the headset. Specifications: Color：Black, Blue, Green, Red Quantity: Single Ear Bud Bluetooth Version: 5.1+EDR Distance: 10 Meters Talk Time: Approx. 5 Hours Listen Time: Approx. 5 Hours Headphone Battery: 75mAh Wireless Frequency: 2.4Ghz Codec Support: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3 Transmission Distance: 10 Meters Charging Voltage/Current: 5V/1A Charging Time: Approx. 1.5 Hours Standby Time: 120 Hours Microphone Sensitivity: -42dB Working Temperature: -10-50℃ Features & Tips Very light: single ear is only 3.5g, 108-degree elevation design, internal silicone earplugs, flying comfort. Ear-hanging design: Ergonomics, anti-dropping ear-hanging type, according to the shape of human auricle, the stress points of ears are dispersed, so that the ears are stressed evenly, and the headphones will not fall off during intense exercise. IPX4 waterproof and sweat-proof: headphones support IPX4 waterproof splash, sweat splash is not afraid, exercise headphones. Comfort & One Button Operation Ear-hanging design. Ergonomic, ear-hanging anti-drop, according to the shape of the human ear, spread the force points of the ear, so that the ear is evenly stressed, the headphones will not fall off during strenuous exercise. Intelligent control, one key of the headset can be used for music, call, voice assistant, previous song, next song and other operations. Button-based, just tap the button to control the headset. High Definition High definition surround sound quality. Professional sound quality with a 13mm premium moving coil unit and large composite diaphragm moving coil for lossless high frequency sound quality. Low and mid frequencies sink and rise, high frequencies are bright and transparent, creating a feast for your ears. Composite diaphragm woofer, full and powerful bass. High-frequency metal diaphragm speaker, the treble is delicate and not harsh. Noise Cancellation Deep noise cancellation. Intelligent noise reduction for HD calls and intelligent voice call voice reduction technology greatly optimizes the clarity of the sound. Thus you will not be disturbed during the call and the person on the other side will not be disturbed by the noise here. V5.2 Low Latency Upgraded wireless 5.2 tends to be low latency, say goodbye to audio delays in games and TV series, fast streaming from 10m away; better compatibility and more stable connection signal.