Lenovo X4 Bone Conduction Headphone Wireless Bluetooth (free Case) 5.0 TWS Waterproof Hanging Headset

About the product: True bone conduction, no speaker, internal vibration and sound IP56 grade is waterproof and dustproof, which can prevent sweat from penetrating during exerciseIt is made of high-strength titanium alloy, which can be bent at will at 360°, resisting compression and breaking without deformation for a long timeBluetooth 5.0 third-generation technology upgrade, more stable transmission8 hours of super battery life, about 2 hours of charging timeCharging input: 5V/500mA, battery capacity: 150mAh Specification General Earphones type: Hang ear typeMaterials: ABS, MetalFunctions: Others, Phone call answering, Song switch, Support musicBluetooth Version: V5.0 (Pairing Voice in Chinese)Bluetooth protocol: A2DP,AVRCP,HFP,HSPTransmission range: 10 metersBattery Capacity (mAh): 150mAh Dimensions and Weight Package weight: 0.2300 kgPackage size (L x W x H): 12.00 x 6.00 x 15.00 cm / 4.72 x 2.36 x 5.91 inches Package Contents Package Contents: 1 x Headphone, 1 x Charging Cable, 1 x Free Case