5.1 Headset Wireless Bluetooth Headset, All-Rar Heavy Plug-In Card, 8-Segment Retractable Plug-In Cable With Mechanical Microphone Features: Product name: Bluetooth headset Item model number: SY-T30C Colour: Orange Bluetooth: 5.1 Impedance: 32 Ω±15% Transmision distance: 10 m Frequency: 20 HZ-20 KHZ Operating current: 30mA Sensitivity: 114 + 3 dB or 114 - 3 dB Charging port: Type-C Charging time: 90 minutes Working voltage: 3.7 V-4.2 V Earphone battery capacity: 300 mah Product size: 18.0x19.0x8.8 cm( 7.09x7.48x3.46 inch) Package size: 18.5x16.4x9.2 cm( 7.28x6.46x3.62 inch) Gross weight: 196 g/0.432 lb Product Description: HD lossless subwoofer, push-button control, digital noise reduction for lossless calls, intelligent noise filtering, clear Bluetooth calls. 300mAh large battery, low energy consumption chip, long battery life. Use type-c jack, support fast charging. To be traveled with music, high-definition microphone, intelligent active noise cancellation, no matter where, calls are high-definition. Skin-friendly-materials, all-ear design, breathable but not stuffy, fit the ear, no feeling to wear, avoid discomfort, can also be used during exercise, immersive breathable earmuffs, comfortable to wear. Fully Android and IOS systems, support a variety of devices. Rotatable gooseneck microphone: The 120 ° rotatable gooseneck microphone can effectively filter the surrounding background noise, transmit the voice clearly and make the conversation easy. Sports without fear of sweat, daily--and-dustproof. Instructiongs: Because the size of the product is measured manually, there may be errors. Product Includes： 1x Bluetooth Headset 1x Manual 1x Data Cable