EWELL Bluetooth Audio Player, Connectivity Sunglasses (Smart Glasses, black)

EWELL Product type Headphones Ear wearing styles Functional use Bluetooth headset on Music Unit diameter 5.8mm Frequency range 10-20000Hz Product impedance 15 ohms THD Function parameter: Bluetooth support Bluetooth version 3.0 Bluetooth Micro USB charging port Battery capacity 125mAh 9 hours talk time 650 hours standby time Microphone parameters: There are microphones Wired remote support