【500 hrs Standby Time & 38 hrs Play Time】: B1 Sports Wireless Headphones with Microphone Built-in 300mAh. Great long battery life with 500 hrs standby time and 38 hrs play time. 1-2 hours quick charge offers enough playtime for music listening or phone calls. Workout headphones bluetooth let you enjoy wonderful music when travel and sports.
【Amazing Sound Quality Stereo】: 13.6 MM super large size dynamic drivers, ensure bluetooth wireless headphones stable transmission and dont interruption. And clear high & low volume, makes calls clear and stable. Significant noise cancellation, great choice for you.
【Bluetooth 5.0 Technology】: TECNO B1 Wireless Headphone earbuds adopts the latest Bluetooth 5.0 technology deliver high-fidelity audio for more stable connection and stronger signal transmission. Wireless headphones bluetooth supports wider compatibility with iOS and Android smart phones, tablets, laptops, MP3, etc various Wireless Bluetooth enabled devices.
【Comfort And Secure Fit Design】: With 2 pairs of ear tips and 3 pairs of secure-fit ear hooks(Replaceable). Magnetic design, IPX5 waterproof sports Bluetooth Wireless Earbuds Design, Internal nano-coating protects the wireless waterproof headphones from heavy rains or sweat throughout intense exercises.
【What Can You Get】: TECNO B1 neckband bluetooth headphones, Earbuds 3 size eartips(S/M/L), User Manual,180-DAYS Warranty and 24-hours after-sale service.