TWS D09 Bluetooth 5.0 earphones, playback controls. 420mAh charging base. Blue

TWS D09 Bluetooth 5.0 Earbuds: • TWS stereo mode. • Headphones with smart auto power. Automatic connection (once paired at first use). • Headphones with call and playback control functions. • Stereo hands-free function. • Latest generation Bluetooth 5.0 with low consumption and long range. • Charging base with magnetic closure with charge level indicator by means of LEDs. • Ergonomic design: provides great comfort to the ear during prolonged use. • Acoustic box that provides a natural and clear sound reproduction. • Includes micro USB charging cable. Bluetooth version: v5.0 Bluetooth protocol: HFP, HSP, A2DP, AVRCP, ble Bluetooth chip: Zhongke Lanxun bt5376a2 Transmission distance: ≤ 10m Charging time: 1-2h Duration: about 5 hours (depending on volume and mode) Charging base capacity: 3.7v/420mah Earphone battery: 50mah Horn size: 6mm Impedance: 16ohm±15% Frequency range: 20~20000Hz Sensitivity: 93dB±3dB