Artlink Wireless Headphones, Wireless Sports Earbuds, HD Stereo Sweatproof w/Mic IPX7 Waterproof Earphones for Gym Running, 7-9 Hrs Playback Noise Cancelling Headsets - Black

Technical specification: - Wireless Specification: 4.1+EDR - IPX7 Waterproof Rating - Noise Reduction: CVC6.0 - Transmission Distance: 30ft - Battery: Lithium-ion Polymer 85mAh - Frequency Response: 20 -22kHz - Charging Port: Micro USB - Charging Time: 1-2 Hours - Playback Time: Up to 8 Hours - Standby Time: 240h Sound Leadership & Voice Clarity Due to CVC6.0 noise cancellation technology, the Artlink Wireless headphone intelligently filters out background noise for perfect speech transmission in busy and noisy environments. Compared to Wireless 4.0, the latest Wireless 4.1 technology features faster & stable signal transmission, clearer sound quality and lower power consumption. Lastest IPX7 Waterproof Protection Artlink wireless earbuds upgraded IPX7 sweatproof rating, prevent the headphones damaged from ordinary splashing water and rain. Keep the earphones working well no matter you're getting drenched in sweat after a grueling workout. Adjustable Comport Wearing You can choice ear tips between small, medium or large sizes(package included), you're bound to have a secure fit that actually always stays in despite you are on the move while running, jogging, or exercising. Longest Play Time Up to 8 hours of continuous talking / music time and up to 240 hours of standby with a single charge, so you can enjoy long lasting music and less time charging. Wherever your day takes you, Artlink keeps your music. Tips: <1> Please charged your headphone when in low battery life to achieve better Wireless connection and protect your battery. <2>Please choose suitable ear tips and wear your headphone tightly when you are running or cycling, it will help you reduce the annoying wind noise.