Product description: Supporting protocols: A2DP, AVRCP, HFP, SPP HID Receiving working current: ≤ 43MA Transmitting working current: ≤ 60MA Standby current: ＜ 18MA Built in battery: polymer 600MAH Charging current: 300MA Duration: ＞ 8H Bluetooth distance: ＞ 10M (open place) Charging mode: Micro USB 5V/0 Output connection mode: 3.5MM stereo interface Input connection mode: 3.5MM stereo interface Compatible with: Android, IOS system mobile phones and PADs, and all Bluetooth audio devices, audio devices with audio input interface • Embedded ARM926EJ-S core, 4KB lcache and 4kB Dcache • Stereo codec support • Support HFP, HSP, A2DP, AVRCP, and SPP profiles • Noise reduction and echo cancellation • Multiband equalizer configuration • Support packet loss hiding • Multipoint HFP and A2DP • Support voice prompt • Integrated lithium mode battery charger supports 300 mA fast charging and over discharge protection ● Support audio equipment with audio input to realize wireless audio reception and transmission ● Support automatic search and connection of Bluetooth devices to achieve wireless audio transmission ● Built in AEC echo cancellation and ANC noise elimination circuit, gorgeous stereo, more pure and beautiful sound quality ● Built in enhanced signal transmission circuit, fast and stable connection ● Compatible with dual lossless audio formats ● Support AUX OUT, Earphone ● Automatic memory connection function, simpler operation and more convenient connection ● Built in battery, long battery life ● Bluetooth 2.1, low power consumption ● Live voice prompt, simple and clear operation ● Smart compatibility, Android, IOS system mobile phones and PADs, and all Bluetooth audio devices ● Support to connect 1 mobile phone ● Product connection is simple, and driving and downloading APP is tedious; Package includes 1x B6 Bluetooth transceiver 1x 1/2 audio cable 1x 3.5MM audio cable 1x Micro USB power cable 1x Operating Instructions 1x neutral packaging