NOTE The package not include the earphones Features 1 High Quality bluetooth Chipset Equipped with the advanced QCC5141 ensuring fast and stable connectivity with bluetooth 5 2 2 Independent DAC Configuration Each earhook uses two AK4332 DACs for superior audio processing and amplification delivering HiFi sound quality 3 Support for HD Audio Capable of transmitting 96kHz 24bit high resolution audio via LDAC LHDC and aptXAdaptive codecs 4 10 band PEQ Sound Effects Customizable EQ settings via 10 band PEQ to fine tune your listening experience 5 Long Battery Life Enjoy up to 20 hours of playtime with the combination of earhooks and the charging case 6 Touch Free Wireless Charging Innovative touch free wireless charging design for earhooks eliminating traditional charging defects and extending product lifespan 7 Compatibility Compatible with various earphone interfaces including MMCX and 0 78mm 2 pins making it versatile for different earphones Specifications GeneralSpecificationBrandFiiO ModelUTWS5 ColorBlackWearing TypeEarhooksAudio CodecSBC AAC aptX apt Adaptive LHDC LDACOutput Power 1 L R≥55mW 55mW 16Ω THD N1 Output Power 2L R≥35mW 35mW 32Ω THD N1 Output Impedance0 4Ω 32Ω SNR110dBTHD N0 0018 Earphone InterfaceMMCX 0 78mm 2PinFrequency Response20Hz 20kHzbluetoothbluetooth VersionV5 2Supported ProfilesHSP HFP A2DP AVRCPTransmitting Distance10mBattery ChargingWork Time8h only Earbuds 20h with Charging Case Standby Time200hCharging Time2hOth