Xiaomi Sports Waterproof Bone Conduction Headphones Wireless Earphone Bluetooth-Compatible Headset With Microphone For RunningProduct model: AKZ-G9Product Type: Bone Conduction Motion Bluetooth HeadsetBluetooth-compatible version: V5.3Battery capacity: 300mAhWorking hours: 18hStandby duration: 120hTransmission distance: 10 metersImpedance noise reduction: 32 /cvc6.0Function introduction: support stereo Bluetooth listening to music, external insertion of TF card, bone conductionProduct weight: 90GPacking size: 11.7*15.5*5.5CMSpecifications:1. Bluetooth-compatible with 5.3, more stable and smoother2. Bend at will, more convenient to carry3.HIFI stereo sound effect4. Support to insert memory cards (memory cards are not included)5.LED power digital display screen6. Non-ear design, more comfortable to wearPackage Included:Headphones * 1Charging cable * 1Instructions * 1