Qualcomm #39;s Latest Bluetooth Chip. FiiO has featured the latest Qualcomm QCC5141 Bluetooth processor with the UTWS5. UTWS5 now supports high-resolution Bluetooth transmission with a better and stable Bluetooth connection. Impressive Sound With Independent DAC Chip. FiiO has equipped the UTWS5 with AK4332 an independent DAC chip to provide high-resolution audio performance with lower distortion and high SNR ratings. Independent Amplifier Chip. With an independent DAC Chip, the UTWS5 also features an independent AMP chip. The UTWS5 provides a powerful output thrust that brings our connected earphones to life. UTWS5 has a much powerful output thrust in comparison to the previous generation UTWS3. Bluetooth V5.2 Connectivity With Hi-Res Audio Transmission Codec. FiiO UTWS5 supports the latest Bluetooth V5.2 connectivity with high-resolution AptX Adaptive wireless transmission. AptX adaptive provides 24-Bit/96kHz wireless transmission with low latency and lag. Third-Gen TWS Lower Latency Technology. FiiO UTWS5 adopts Qualcomms third-generation TWS mirroring technology. It effectively reduces latency and instability in the signal and provides a smooth user experience. Long Battery Life With Wireless Charging Support. FiiO UTWS5 charging case supports wireless charging. Please note that the wireless charger is not included in the package. This charging case has a large 800mAh battery that provides up to 4 charges to the adapters. Technical Specification : Bluetooth Version: V5.2. Battery Life: gt;8H on each charge. gt;30H with charging case. Standby: gt;200H. Output Power: 33mW@32, 53mW@16. USB Type-C charging port, Wireless charging. Connector options: MMCX / 2 Pin 0.78mm.