Macaron Color 5.2 Wireless Bluetooth Headset Foldable Plug-in Card For Calls, Audio Cable For Children Adult Gifts Features: Product name: Bluetooth headset Item model number: KE-26 Colour: Blue Bluetooth: 5.2 Impedance: 32 Ω±15% Transmision distance: 15 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: 400 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: 384 g/0.847 lb Product Description: HD lossless subwoofer, push-button control, digital noise reduction for lossless calls, intelligent noise filtering, clear Bluetooth calls. 400mAh large battery, low energy consumption chip, long battery life. mode switching, game, music senseless switching, no delay, stable smoothness, dynamic-adjustment performance. Use type-c jack, support fast charging. Skin-friendly, 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. 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