Compared to other electronics, the earbuds are low power products. Hence for charging safety, please make sure the charging current is no greater than 5V 1A. Please do not use fast charger. Long term use an inappropriate adapter to charge will damage the case. If the case and earbuds are damaged by using an improper adapter, this kind of man-made damage is not covered by the warranty. Description Features: [Hybrid Active Noise Cancelling & Transparency mode] Advanced hybrid ANC technology can effectively suppress surrounding noises to a considerable extent and the depth can be up to 35dB, you can concentrate on what you are interested in no matter where you are. Long press the left earbud will make a fast switch to transparency mode, you can perceive the outside world while still enjoying the music. [QCC3040 & aptX-Adaptive] Advanced Qualcomm QCC3040 chip and latest Bluetooth 5.2 technology ensure seamless connection, fast transmission, and ultra-low power consumption. With the combination of 10mm bio-diaphragm driver and aptX-Adaptive decoding technology, these wireless earbuds truly restore every detail, deliver CD-level lossless original sound. [Clear Calls & Long Time Company] Utilizing Qualcomm’s cVc noise reduction technology, Mini Pro Bluetooth earbuds eliminate background noises to a large degree and ensure your voice be heard clearly without any interference. 7 hours in normal mode (5 hours in ANC mode) for a single charge and twice from the charging case make total working time up to 21 hours. [Game Mode & TrueWireless Mirroring] 60ms ultra-low latency in game mode makes sound effects sync with your screen all the time. You can identify the position of sound accurately and react faster than others at every fight. With Qualcomm TrueWireless technology, you can use either one as master earbud freely and enjoy seamless switching between single and twin mode. [Delicate Design & Sensitive Control] The desire to strive for perfection and repeatedly adjusted design achieve the smooth and compact shape. Ultra-lightweight and ergonomic earbuds ensure your comfortable experience even for long time wearing. Smart touch control makes everything at your fingertips, you can answer phone calls or adjust volume without reaching your phone. Specification: 1.Sensitivity: 105.5±1.5dB 2.Resistance: 32Ω±15%Ω 3.Frequency Response Range: 20-20000Hz 4.Codecs: SBC, APTX, APTX-adaptive 5.Active Noise-Cancellation: Yes 6.Bluetooth Version: Bluetooth 5.2 7.Bluetooth Prole: HSP 、HFP 、 A2DP、AVRCP 8.Bluetooth Chipset: QCC3040 9.Maximun Working Range: 33feet/10m(no abstacle) 10.Play Time: About 6.5 hours (volume at 60%) 11.Earbuds Charging Time: About 2 hours 12.Charging Case Charging Time: About 2 hours 13.Charging Case Recharge Earbuds: 2 times 14.Earbud Power Capacity: 3.7V/90mAh (45mAh*2) 15.Charging Case Power Capacity: 3.7V/300mah 16.Earbud Dimension(L*W*H): 18.08*17*26.23mm 17.Charging Case Dimension(L*W*H): 59.2*26*43.38mm Package included: 1.2x SoundPEATS Mini Pro Bluetooth Earbuds 2.1x Type-C Charging Cable 3.1x Charging Case 4.6x Interchangeable Ear Tips 5.1x User Manual