Brand: QWAX Color: Black Ear Placement: In-Ear Headphones Type: In-Ear Connectivity Technology: Wireless Wireless Communication Technology: Bluetooth Long Battery Life: Each earbud has a 40mAh battery, allowing for 4-5 hours of music playback. The earbuds can be automatically charged with the 1200mAh charging box. 【True Wireless Headphones】Wireless dual-ear design, with separate left and right earphone channels. BT5.3 ensures high data transfer speeds, stable connections, and low power consumption. Battery Digital Display: The LED digital display clearly shows the battery capacity of the earbuds and charging box. The charging box can also charge mobile devices such as smartphones in an emergency. Fast and Easy Pairing: Automatic power-on and fast pairing between the left and right earbuds when taken out of the charging case. Easy and quick pairing with BT-enabled audio devices. Hands-Free with Microphone: Built-in dual microphones deliver clearer and more realistic voice in stereo mode. The BT5.3 chip allows for capturing greater voice detail.