Specification Model A5 Probluetooth Version bluetooth V5 2Supported Profiles RX A2DP AVRCTX A2DPFrequency Range 2 402GHz 2 480GHzPower Level Class IISensitivity 85dBm0 1 BERSignal to Noise Ratio ≥90dBDistortion Rate ≤0 02 Interface Types Input 3 5mm AUXOutput 3 5mm AUXSupported Codecs SBC AAC aptX aptX L aptX HD aptX ADBuilt in Battery 3 7V 300mAh 1 11W Charging Current Approx 200mACharging Time Approx 1 5 hoursBattery Life RX Mode Approx 10 12 hoursTX Mode Approx 10 12 hoursbluetooth Range 10 20M without obstacles Charging Mode Type C 5V 1ACompatibility Android and iOS phones and tablets active speakers amplifiers and any bluetooth device supporting A2DP protocolFeatures 1 High Quality Design Exclusive patent design with built in bluetooth antenna for a sleek and high end appearance 2 Advanced bluetooth 5 2 Chip Uses Qualcommbluetooth 5 2 chip for enhanced compatibility and stability 3 RGB Breathing Light Equipped with a stylish RGB breathing light adding a touch of cool 4 Two in One Functionality Functions as both a bluetooth receiver RX and transmitter TX 5 Dual Connection Mode In RX mode can connect two phones simultaneously for music playback 6 High Fidelity Audio Support Supports multiple lossless audio codecs SBC AAC aptX aptX LL aptX HD aptX AD for superior sound quality 7 Built in Rechargeable Battery 300mAh battery provides 8 10 hours of music playback charges in just 1 5 hours with up to 30 days standby