Boltune Wireless Earbuds 020, Upgraded Bluetooth V5.2 in-Ear Stereo Wireless Headphones - BT-BH020 SpecificationsConnection Type Bluetooth/WirelessColour Name WHITEWhat's In The Box Boltune EarbudsAudio Jack No Audio JackAudio Headphone Type In-EarUsage Type Business (Call/Work)Earplug Type EarbudsFeature Water ResistantModel Number BT-BH020Model Name True Wireless Stereo EarbudsItem Qty 1 Highlightsmost advanced bluetooth v5.2- adopted the most advanced bluetooth v5.2, boltune wireless earbuds delivers faster transmission speed and more stable connectivity but lower power consumption. the one-step pairing technology enables the earbuds to get sbreathtaking sound quality - built with upgraded composite materials, the 6mm dynamic stereo driver spearker provides you a more powerful and crystal claity sound experience. immerse you in the world of music with the rosant bass and delicately tunedcrystal phone call - thanks to 4 microphones and the beamforming technology, boltune bluetooth earbuds do better in noise reduction than other ones. also combined with the cvc 8. 0 noise reduction functionality, it will offer you a brand new crystal-quick-charge & long playtime - coming with type-c usb 3.1, which is featured with up to 10 gbps transfer speed, enables the charging case be fully charged within 90 minutes. with the upgraded battery, you can enjoy up to 6 hours music with the earbudipx8 waterproof & ergonomic design - feel free to enjoy music while doing sports anytime anywhere with boltune bluetooth headphones, which would perfectly fit your ears with the ergonomic design and prevent water and sweat with the ipx8 waterproof te