Bluetooth V5.0 Class IIErgonomic stylish neckband design in a contoured shapeDesigned with soft materials and bendable neckband for all day comfortWith dual-driver in each earbud housing to deliver a really powerful bass & rich mid and high rangeWith magnetic earbuds that you can clasp them together when not in useVoice prompt in EnglishUp to 10 meters (33 feet) in working distance (open space)Bluetooth profile: handsfree,A2DP/AVRCPMultipoint for 2 phones connectionVoice-controlled AI – Compatible with Siri and Google Assistant, access your personal assistants with it’s quick and easy access button functionUp to 10 hours music playback time (varies by volume level and audio content)Up to 10 hours talk timeUp to 200 hours standby timeSupports charging via Micro USB cableDimension of Remote: 66.62 x 17.00 x 11.10mmDimension of Headphones (including neckband): 200 x 155 x 25mmWeight: 30gAccessories Included with each order:6 x In-ear eartips - L,M,S (Bullet-shape)1 x USB Cable