Features 1 upgraded bluetooth 5 4 enhance your listening experience with the latest bluetooth 5 4 technology ensuring quick and seamless connectivity without delays 2 20mm driver unit experience premium sound quality with the 20mm large sound cavity offering hifi dolby level audio panoramic sound effects and enhanced bass 3 dt7 0 sound transmission enjoy accurate sound transmission with seventh generation dt pulse directional sound technology reducing sound leakage by 93 and enhancing the listening experience 4 enc noise cancelling achieve smooth and crystal clear calls with enc environmental noise cancellation technology which effectively filters out wind noise 5 84h playback time keep the music going longer with an impressive total playback time of up to 84 hours when using the charging case perfect for travel and extended use 6 ergonomic design crafted for ultimate comfort the ergonomic earhooks ensure a secure fit with skin friendly silicone materials providing stability and making them ideal for sports and daily activities specifications generalspecificationbrandlenovomodelerazer x9colorblack whitesound unit20mm large sound cacityaudio decodingaac sbcfrequency response20 20khzbluetoothbluetooth versionv5 4supported profileshsp hfp a2dp avrcptransmitting distance10mbattery chargingbattery capacityearbuds 40mah charging case 600mahwork time12h only earbuds 84h with charging case charging time1 5hsizeweightproduct weight0 0730kgpackage we
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