Practical charging case: These wireless in-ear headphones are equipped with a magnetic charging case that can quickly charge the headset, while also being a convenient storage. The ergonomically designed earbuds ensure good comfort and fit. The charging case can be charged with the included USB-C charging cable or wirelessly. The charging status of both headphones is displayed on the box. Advanced Bluetooth 5.3: The new Bluetooth 5.3 technology provides faster transfer speeds without delay and a stable connection. Automatic one-step pairing: Once the Bluetooth headphones have been connected for the first time, you only need to open the charging case and the headphones will automatically connect to your phone. Great sound quality: These wireless headphones have a unique stereo design with 13 mm composite diaphragms. When talking, you can hear each other much better thanks to crystal-clear sound. Smooth touch control: The headset features sensitive touch control panels on both the left and right earbud, allowing flexible control of music playback, answering or rejecting calls, adjusting the volume, changing songs, etc. LED display: Thanks to a smart LED digital display, you can easily monitor the battery consumption of both the wireless earbuds and the charging case and know when it's time to charge them. Specifications: Color: Pink Material: ABS, PC Battery capacity: 40 mAh Charging compartment: 400 mAh Music playback: 4-4.5 hours Call: 4 hours Charging: 1-2 hours Standby: 150 hours Charging interface: USB-C + wireless Bluetooth chip: Jerry 6973D BT 5.3 Bluetooth protocol: A2DP1.2/AVRCP1.0/HSP1.0/HFP1.5 Speaker diameter: 13 mm, high sound field Bluetooth transmission distance: 10 m Package includes: 1 x in-ear headphone case 1 x USB charging cable 1 pair of larger earplugs 1 pair of smaller earplugs User manual