UGREEN Dots Wireless Earbuds Bluetooth 6.0 Light Weight Deep Bass Sound 35H Play Earphones Mic – Black Brand: UGREEN Model: WS220 Bluetooth: 6.0 Colour: Black Mic: 2 Mics Ear Placement: In Ear Form Factor: True Wireless Frequency Band: 2400MHz-2483.5MHz Max RF Output Power: 4dBm Bluetooth Profile: HFP/AVRCP/A2DP/BLE/SPP Codecs: AAC/SBC Impedance: 40Ohms Charging Port: USB Type-C Battery: Earphones 40mAh, Charging Case 500mAh Operating Time: 6.5 hours with single charging and 35 hours with charging case Description: UGREEN earbuds are designed with 2 microphones for precise sound reception, and a ENC noise reduction algorithm, you can have clear conversations Equipped with 10mm drivers and larger acoustic cavity, provides powerful sound performance while reducing headphone size The playtime of a single earbud can last for 6.5 hours; the whole playtime lasts for 35 hours when used with the charging case The noise-cancelling earphones can be fully charged in 1.5 hours, and the charging case can be fully charged in 2 hours UGREEN Bluetooth true wireless headphones are equipped with Bluetooth 6.0 Chip, Low latency, anti-interference, and low power consumption The sound delay of the earphones is within 80ms, making audio and video synchronization possible, providing you with a hearty gaming and audio-visual experience The in ear buds support IPX5 Waterproof. When you exercise, this headset will not be affected by sweat, which allows you to enjoy wonderful music while exercising What is in the Box: 1 * UGREEN Dots Bluetooth Headphones with Charging Case 1 * User manual