3.46 x 3.35 x 1.26 inches

【Advanced Bluetooth Technology&Superior LED Display】Adopting newest Bluetooth 5.3 and dual-channel transmission, this wireless earbuds support HSP HFP A2DP AVRCP, which offer you an unparalleled audio experience with faster transmission speed, stronger connection stability and longer range of bluetooth. The status of charging&remaining power of the case all shown in the screen. Once the bluetooth headphones in the case, it informs you of charging status and the current battery of the case to remind you charge in time. 【Stereo Hi-fi Sound Quality&One Step Auto Pairing】These bluetooth headphones with 13mm graphene speakers and triple-layer composite diaphragms provide immersive stereo light sound, along with powerful bass, stunning treble and clear mids, leads you into a live music concert. Picking up Kurdene bluetooth ear buds from charging case,they will power on and pair with each other automatically.Then active mobile phone bluetooth to search “S9” to connect. 【Wireless Charging&Fast Charging】Extraordinary powerful built-in 400 mAh battery enables the wireless headphones to continuously work for a quite long-lasting battery life. Last up to 5hs calls/6hs music for a single charge and 60h standby（40hrs for music）with charging case, out of question! Support wireless or wired Type-C charging,it only takes 20 minutes to charge for 2 hours listening.You can relish yourself in music world for a whole day without missing a beat.