In-Ear Headphones - Universal - Tw16 New Bluetooth Headset Highlights Universal Tw16 New Bluetooth Headset Tw16 New Bluetooth Headset Product is shipped based on the color or size of the main product page image. Product Description: Using Bluetooth 5.0 technology, the transmission distance is long, and the transmission can be about 15 meters without obstacles.TWS Dual Host Technology can connect two ears to two mobile phones separately.13mm voice coil .The battery is displayed on the LED screen, and the percentage can be displayed when the charging compartment is open.Use the Type-C interface to optimize the charging speed.The headphones are used for 3.5-4 hours to one time use, and the charging compartment is added for 16 hours. The headset charging time is 90 minutes.