Bluetooth headset TWS wireless earplug Bluetooth earplug $ 18.63 Function: call function Channel: 2 Bluetooth version: 5.0 Usage: earplug Transmission radius: 10M Single or double ears: double stereo Standby time: 30 days Transmission radius: 10M Connection mode between left and right cavities of headset: wireless connection Dust proof performance: ip5x Headset and playback device connection mode: Bluetooth connection
