ITEM NAME:XG21 TWS Wireless BT5.0 HiFi Stereo Earphones with Digital Display Charging Case Product Description Description: XG21 TWS Wireless Bluetooth 5.0 In-ear HiFi Stereo Hands-free Headset with Digital Display Charging Case Specifications: Color: Black / Green / Pink / Blue / Yellow Material: ABS+PC Model: XG21 Bluetooth version: 5.0 Impedance: 32ÃŽ © Sensitivity: 123dB Frequency response: 20-20kHz Headphone battery capacity: 50mAh Charging capacity: 450mAh Headphone charging time: 0.6h Headphone talk time: 3h Headphones music time: 3.5h Battery voltage: 3.7V Standby time: 120 hours Charging interface: Micro USB interface Effective distance: 10m/32.81ft Function: answering calls, hanging up call registration, hanging up, listening to music pause/play, voice report, tail number redial, caller number, smart voice prompt, power display, noise reduction Charging power supply: AC input 110-240V DC output 5V Headphone charging box size: 58*38*28mm/2.28*1.49*1.10in Packing size: 90*60*40mm/3.54*2.36*1.57in Weight: 80g Notes: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-3mm measuring deviation due to manual measurement. Included: 2 X Earphones 1 X Charging Case 1 X Charging Cable 1 X Manual.Model: XG21. Included: 2 X Earphones. Charging capacity: 450mAh. Charging interface: Micro USB interface. Headphone charging box size: 58 38 28mm/2.28 1.49 1.10in. 1 X Charging Case. 1 X Charging Cable.