Bluetooth 5.0 Wireless Earphone with?Charging Case? Waterproof Stereo Headphones in-Ear Built-in Mic Headset Premium Sound with Deep Bass for Sport Earphone (Red)

Description: XG12 Wireless Earbuds Sports Binaural TWS 5.0 Sports Earphones Business Bluetooth Headset Features: Sports,car,business,listening to songs. Parameters: Bluetooth chip:BT8832 Brand Name:U YIN MEI LI Bluetooth version: V5.0+EDR How to wear:In-ear Channel system: stereo Transmit power:2.402~2.484GHz Support Agreement: HSP/HFP/A2DP/AVRCP Transmission distance: about 10m Audio signal to noise ratio: 98dB Charging Voltage standard: DC 5V Music time: about4 hours Talk time: about 3.5hours Standby time: about 120 hours Battery: Headphone: 3.7V lithium battery Charging box: 3.7V lithium battery,350mAh, model: 502535 Charging time: Headphones: 30 minutes, charging box: 1 = 2 hours Headphone size: about 2.2X1.7CM Charging compartment Size: about 5X5X3CM. Speaker impedance: 16ohm Speaker sensitivity: 94db3db Rated power: 10mw Microphone: 4026 Microphone frequency response range: 100Hz-8000Hz Wheat wind sensitivity: -42db3db PackingLists: Earphones*1 Chinese and English Manual*1 Spare Earbuds *4 Packing box*1