5.3 Wireless Bluetooth Earphones With Track Sliding Cover Intelligent Noise Reduction And Charging Compartment Able To Make Calls Features: Product name: Bluetooth headset Item model number: SKY-12 Colour: Bluetooth: 5.3 Impedance: 32 15% Distortion: 3% Transmision distance: 15 m Frequency: 20 HZ-20 KHZ Charing interface: Type-C Charging time: 60 minutes Working voltage: 3.7 V-4.2 V Earphone battery capacity: 40 mah Earphone battery capacity: 500 mah Product size: 8.5x4.5x2.6 cm( 3.35x1.77x1.02 inch) Package size: 10.5x10.5x3.5 cm( 4.13x4.13x1.38 inch) Gross weight: 88 g/0.194 lb Product Description: Bluetooth 5.3 technology - This headset uses Bluetooth 5.3 chip. Stable data transmission and wide wireless coverage. all Bluetooth enableds devices. Connects automatically at first and later. Colorful and transparent, youthful appearance ------ young color scheme, is the favorite of young people, compact appearance, highlighting the cute taste, walking in the street you will be a beautiful people. Stereo sound quality ------ This Bluetooth ear headset displays power and its speaker uses the latest technology with a 13mm bio diaphragm for a transparent and powerful sound quality. The is thick and powerful, the high and midrange is bright and clear, and the three frequencies are balanced. Not afraid of sweat The headset body is designed with a multi channel process to achieve . Life grade Waterproofs, not afraid of rain, not afraid of sweat, not afraid of wind and rain. Lighter and more comfortable easier ------ ergonomic support decompression does not pick ears, ears and then small also comfortable, to meet the different sports crowd ear wear. You no longer have to worry about these earphones will fall off! No pain even with prolonged use. Suitable for gym, fitness and running. Instructiongs: Because the size of the product is measured manually, there may be errors. Product Includes 1 x Bluetooth Headset 1 x Manual 1 x Data Cable 2 x Ear Cap