Condition: 100% Brand New Item Type: True Wireless Earphone Material: ABS Color: As Pictures Shown Weight: Approx. 116g/4.1oz Bluetooth Version: 5.2 Headphone Battery Capacity: 55mAh Battery Type: Lithium Battery Charging Box Battery Capacity: 500mAh Lithium Battery Support Protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3 Use Frequency Band: 2.4GHZ Transmission Distance: 15-25 Meters/49.2-82ft Standby Time: 6 Hours Standby Time for Both Ears Talk/play Time: About 2-3 Hours for One Ear, About 4 Hours for Both Ears Support Call Broadcast, Power Display Headphone Charging Time: About 70 Minutes Charging Box Charging Time: About 1 Hour The Charging Box can Charge the Headset 3-4 Times Charging Voltage: 5V Package List 2 x Earphone 1 x Charging Box 1 x Charging Cable 1 x Manual 4 x Ear Cap 1Compact size, Bluetooth 5.2 version of the chip, fast operation speed, seamless cut song function. 2Breathable and dry, reduce the feeling of stuffy, improve the perception of the surrounding environment, outdoor exercise more peace of mind. 3LED battery digital display, can check the charging box battery at a glance. 4With charge box, 500mAh, available for mobile headphones outdoor charging. 5Ergonomic and lightweight design, the depth of the ear is just right, you can't feel the pain.