High Quality Sports Running TWS In-Ear Bluetooth Headset Color:black [Temperature Range]: Applicable to 0

[Temperature Range]: Applicable to 0 degrees - 45 degrees

Plug-Type: 3

Size：25x20x12cm

Texture: Polyester

Movement type：electronic

High Quality Sports Running TWS In-Ear Bluetooth Headset Color:black [Temperature Range]: Applicable to 01, headset parameters Bluetooth version: V5. 0+EDR Wireless frequency: 2. 4GHZ Supporting agreement: A2DP1. 3 HFP1. 6 HSP1. 2 AVRCP1. 6 D11. 3 Transmission distance: 10 meters Battery capacity: 50mAh Charging voltage current: 5V 1A Play talk time: about 4 hours Charging time: 1~2 hours Standby time: 120 hours Speaker impedance: 8MM 32 Microphone sensitivity: 42Db Working temperature: 10 50 C Gross weight: 4 g * 2 2, charging bin parameters Input