Receiving working current: 43MA Transmitting working current: 60MA Standby current: <18MA Built-in battery: polymer 260MAH Charging current: 200MA Service life: 5-8H Bluetooth distance: >10M (empty place) Charging method: Micro USB 5V/1A Output connection: 3.5MM stereo interface Input connection: 3.5MM stereo interface Compatible with: Android, IOS cell phones and IPAD, and other Bluetooth audio devices with audio input Product Features: Support audio devices with audio input for wireless audio reception and transmission Supports automatic search for connected Bluetooth devices for wireless audio transmission Built-in AEC elimination and ANC noise elimination circuit, gorgeous stereo sound, more pure sound quality Built-in enhanced signal transmission circuit, faster and more stable connection Compatible with dual lossless audio formats Support AUX OUT, headphones Automatic memory connection function, easier to operate, more convenient to connect Built-in battery, long battery life Bluetooth 5.0, low power consumption Smart compatibility, Android, IOS cell phones and IPAD, and other Bluetooth audio devices Support the connection of 1 cell phone Simple product connection, no cumbersome driver and download APP; Size and weight: Package size: 105*90*35mm Weight: 37g bare / 99g gross weight Accessories include: BT-6 Bluetooth transmitter receiver 3.5MM audio cable Micro USB charging cable English manual