Transmission range: 10 meters Function: Support music Bluetooth protocol: 5.0 Channel: stereo How to use: earplug style Single or dual ear: bilateral stereo Color: black, silver, red Bluetooth chip and Bluetooth version: WT200U low-power core 5.0 Power Input: 3.2V-4.2V Output: 30mW Load condition (Load): 32Ω /φ8 Rated power (Power): 74mW Headphone battery: single side 50mA Charging box battery: 300mA Charging power: earphone 5V/120mA, charging box 5V/320mA Transmission distance: 10 meters Frequency: 2.4GHz-2.48GHz Talk time: up to 4 hours Listening time: up to 4 hours Standby time: about 150h Single earphone weight: 6g; charging box weight: 44g
