ISAAC Bluetooth Headphones True Wireless Headphones In-Ear High Endurance High Sound Quality Waterproof and Dustproof Crystal Bright Red

feature of product ● The well-known Korean e-commerce company sells more than 1,000 pieces in a single day, and it is the first choice for fashion wear accessories. ● This version is sold in limited quantities. The original version has Korean voice instructions and Korean manuals. The Chinese manuals are attached separately. ● Bluetooth 5.0 automatic pairing, quick connection saves complicated procedures ● Professional tuner team checks, the sound quality is impeccable ● Call and music time is about 4h, standby time is up to 20h ● 360-degree revolving cover design, zero dead angle when opening the cover ● High-gloss matte appearance, fashionable texture is in place at one time ● Multi-color options to meet different preferences and needs Product Specifications ● Product Name: ISAAC FAE-7 Powder Box Wireless Bluetooth Headphones ● Bluetooth Standard: 5.0 + EDR ● Battery capacity: 50/500mAh (headphone/charging compartment) ● Talking current: 10-15mA ● Standby current: 3.45-6mA ● Talk time: about 4hr ● Standby time: about 20hr ● Music time: about 4hr ● Waterproof grade: IPX5 waterproof and sweatproof ● Charging time: about 1.5hr ● Charging port: Type-C ● Monolithic form: moving coil ● Diameter impedance: 6mm/16ohm ● Frequency Response Range: 18-20k Hz ● Microphone size: 4013/-32dB ● Headphone size: 28 x 15 x 25 mm ● Charging compartment size: 68 x 25 x 45 mm ● NCC certification: CCAH20LP9790T3