Bluetooth pairing name: XO-Q4Pods (4th generation full configuration)Bluetooth version: Bluetooth V5.3 Bluetooth main chip: Jerry AD6973D4Battery: Charging compartment capacity: 3.7V 280mAh Headphone battery capacity: 3.7V 35mA x 2Charge the headphones approximately 3 timesLightning charging time: Charge the charging box for about 1.5 hoursTalk time: about 4 hours/Music time: 80% Volume: about 4.5 hours Shutdown standby time: When fully charged, standby time is about 3-6 monthsSupports Bluetooth protocol: HFP HSP A2DP AVRCPFunction: Play/pause the previous song, answer the next song, hang up the phone, reject the call, language assistant, in Sensor, wireless chargingSize: 54.4 * 46.4 * 21.38mmmmWeight earphone 6.6g, charging stand 42.4gMaterial: ABS shell materialAccessories: Lightning head charging cable 1PCSProduct color: white