DPRUI wireless headphones with Charging Box Wireless Stereo Earbud Business Earphone Bluetooth headphones for a mobile phone (Gold)

The product is designed with humanized design and ergonomically designed silicone sleeve, which can firmly hold the ear, provide a comfortable wearing experience, prevent falling off during running, sound quality contrast ear sound quality control, bass mixing, high sound, and vocal comfort. Regardless of the design of the exterior or the treatment of the sound color, friends who like music, like sports, it is worth experiencing! parameter: Headphone model Model No. L009 Chip type chipset Chip power consumption chipset power consumption :20-30MA Bluetooth version model Bluetooth version: 4.2 Bluetooth distance Bluetooth range: 8-10 meters barrier-free Headphone battery capacity Earbuds battery capacity :40mA Charging compartment battery capacity charging case battery capacity :400AM Play time playback time : 1.5-2 hours Standby time standby time : 12-15 hours Charging time charging time : 1 hour Radio frequency range RF Frequency range : 2.402GHz~2.480GHz Speaker diameter speaker/driver size: 10mm Speaker material speaker/driver material : iron shell copper ring aluminum film Speaker impedance speaker/driver impedance: 17.5 Speaker sensitivity speaker/driver sensitivity :99.98dB Speaker signal to noise ratio speaker/driver Signal to Noise Ratio (S/N) : 90dB Speaker frequency range speaker/driver Frequency Range : 20Hz-20kHz Microphone sensitivity: sensitivity: -38 Db Charging voltage charging voltage: DC 5V Charging cable specification charging cable spec :25CM Maikou line Headphone weight machine weight: stand-alone 6.4g Headphone shell material Earphone shell material :ABS Waterproof rating IPX rating: 3 Stereo stereo sound : stereo Bass bass : Yes