Lots of appealing features have been integrated into this product such as noise reduction, precise pickup, dual call, game custom chip, long connection distance, high-fidelity sound quality, AAC audio coding, 10mm speaker coil, long standby time, etc.High-definition and low latency are supported by Bluetooth 5.0 version. You do not need to worry about the matter of power because it is equipped with a 300mAh large-capacity charging box.It is made of ABS material and the Bluetooth earphones is durable to use. The earphone can be used for 6 hours on a single charge and the standby time of the earphone can be 180 hours, in addition, the charging box can be used to charge for 4-5 times.The length of the product is 2.8cm, the width is 5.2cm, the height is 6.2cm.The Bluetooth earphone is suitable for outdoor, for sports, for office, for travel, etc.Item Name: Bluetooth EarphonesMaterial: ABSModel: LP6Bluetooth Version: 5.0Transmission Distance: about 10mFrequency Response: 20-20KHzSpeaker Size: 10mmImpedance: 32Ω±15 PercentDistortion Rate: ≤5 PercentSignal to Noise Ratio: ≥58dBMicrophone Sensitivity: -42±3dBInterface Type: Type-CCharging Time: about 2 HoursEarphones Battery: Built-in 40mAh Rechargeable Battery(Included)Charging Box Battery: Built-in 300mAh Rechargeable Battery(Included)Music Playing Time: about 6 Hours (Related to the Volume of Playback)Speaker Coil: 10mm Low Latency: 60msStandby Time: 180 HoursEarphone Battery Life: 6 HoursFeatures: High-fidelity, Rechargeable, In-earSize Details: 2.8cm x 5.2cm x 6.2cm/1.1” x 2.05” x 2.44” (Approx.)Notes:Due to the light and the screen setting difference, the item's color may slightly differs from the pictures.Please allow slight dimension difference due to the manual measurement.Package Includes:2 x Bluetooth Earphones1 x Charging Box1 x Charging Cable1 x User Manual