Long Life RGB Atmosphere Light In Ear Wireless Sports Bluetooth Headset Features: Advanced Bluetooth transmission technology, stable connection with transmission distance of 15m, no delay and continuous connection components, faster response, , plus frequency tuning to music High frequency bright, medium frequency full, low frequency vigorous and elastic Active noise reduction+passive noise reduction approach noise reduction system noise reduction by reverse acoustic neutralization and cancellation, and noisy street stations, etc., with quiet voice Low power Bluetooth solution, together with high-performance battery, brings a long experience. From the morning to the evening, you can hear music without interruption RGB colorful light effect brings you a different visual enjoyment of the game atmosphere, making the fight more exciting Product Description: Bluetooth version: bluetoothv5.3 Frequency range: 50hz-5khz Working distance: straight line > 15m Bluetooth antenna mode: PCB antenna Battery type: lithium battery / 400mah Standby time: about 100 h Talk time: about 10 hours Playback time: about 50 hours Charging time: about 1.5 hour Package includes: 1 x A pair of headphones 1 x USB data cable 1 x Instructio