Mini Earbud Stereo Sports Waterproof Headphones

Product information:Transmission range: 10 metersFunction: Support musicBluetooth protocol: 5.0Channel: stereoHow to use: earplug styleSingle or dual ear: bilateral stereoColor: black, silver, redBluetooth chip and Bluetooth version: WT200U low-power core 5.0Power Input: 3.2V-4.2VOutput: 30mWLoad condition (Load): 32Ω /φ8Rated power (Power): 74mWHeadphone battery: single side 50maCharging box battery: 300maCharging power: earphone 5V/120ma, charging box 5V/320maTransmission distance: 10 metersFrequency: 2.4GHz-2.48GHzTalk time: up to 4 hoursListening time: up to 4 hoursStandby time: about 150hSingle earphone weight: 6g; charging box weight: 44gPacking list:Plastic earphone*1