ITEM NAME:HBQ-Q32-F9 Mini Wireless Bluetooth 5.0 Earphone Stereo Headset with Charge Box Product Description Description: Specification: Earphone: Bluetooth version: V5.0 + EDR Wireless frequency: 2.4GHz Support protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3 Transmission distance: 10m Battery capacity: 50mAh Charging voltage / current: 5V / 1A Play / talk time: about 4 hours Charging time: about 1 hour Standby time: 120 hours Horn impedance: 8mm 32 ÃŽ © Sensitivity of microphone: - 42db Working temperature: - 10-50 ℃ Gross weight: 4g Color: Black, White, Gold Charge Box: Input voltage / current: 5V / 1A Battery capacity: 1500mAh,2600mAh Gross weight: 69g Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 1 X Bluetooth Headset 1 X Charge Box 1 X Charge Cable 2 X Earmuffs 1 X User Manual.Horn impedance: 8mm 32 ÃŽ ©. Included: 1 X Bluetooth Headset. Bluetooth version: V5.0 + EDR. Sensitivity of microphone: - 42db. Wireless frequency: 2.4GHz. Battery capacity: 50mAh. Battery capacity: 1500mAh,2600mAh.