Airmax Color Screen Wireless Earphones Transparent Touch Screen Digital Waterproof Bluetooth 5.4 Dual Channel Sports Earphones

Product Name: Q20 TWS Bluetooth Earphones. Bluetooth pairing name: Q20. Bluetooth audio decoding: AAC/SBC. Speaker size: 10mm. Music time: Approximately 3.5H per ear. Cooperate with charging compartment usage time: 25H. Charging compartment battery capacity: Lithium polymer battery 500mAh/3.7V. Bluetooth transmission radius: Open and unobstructed distance 10 meters. Bluetooth compatible devices: Bluetooth 2.0+BR+EDR. Charging interface: TYPE-C interface. Earphone charging method: Top pin contact. Number of times the charging case charges the earphones: About 8 times 2 headphones). Bluetooth solution: Zhongke Blue News AB5656C3. Bluetooth version: Bluetooth 5.4. Bluetooth protocol: HFP A2DP HSP AVRCP. Working frequency: 2.402GHz-2.480GHz. Call time: Approximately 3.5H per ear. Earphone charging time: About 1.5 hours. Earphone battery capacity: Lithium polymer battery 25mAh/3.7V. Charging time of charging compartment: About 1.2H. Supporting channels: Two channel stereo sound. Prompt tone