Description/Features: Remove and connect without operation Comfortable listening, giving you an auditory feast and a comfortable listening experience to High definition calls are like face-to-face communication Multiple processes are tightly designed to prevent rainwater and sweat from entering the interior of the earphones Palm controlled mini charging compartment Specifications: Channel category: 2 (true stereo) Bluetooth transmission distance: 10 meters Bluetooth model: TWS-22 RF range: 2.4 GHz ISM92402-2480MHz) Operation mode: Touch buttons Distortion: Less than0.03% Standby current: ≤ Standby time: ≤40 hours Working current: ≤10mA Continuous music: 4 hours (about) Earphone charging : contact magnetic suction Battery: 45 mAh for earphones, 400 mAh for charging box Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Material: Silica gel colour: As Shown Package Contents: 1 x USB cable (randomly colored. Cannot be chosen the specific color.) 2 pair ear caps (randomly colored. Cannot be chosen the specific color.) 1 x earphone 1 x lanyard (randomly colored. Cannot be chosen the specific color.) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.