Tws35 Yesido Earbuds Wireless Bluetooth Earphones

Bluetooth-compatible Version: V5.3 Bluetooth-compatible Working Frequency: 2402MHz-2480MHz Effective Bluetooth-compatible Range: ≤10m Speaker Unit: Φ13mm Microphone Sensitivity: -42db±3db Battery Capacity: Earbuds 25mAh each, Charging Case 250mAh Music Playback Time: Approx. 2-3 hours Talk Time: Approx. 2 hours Standby Time: Up to 180 days Charging Input: DC5V-200mA Charging Time: Approx. 1 hour Driver Unit: 40MM custom full-frequency Material: Skin-friendly silicone