The bluetooth transmission distance: 1000-2000cm/ 393-787inches/ 32-65ft(In the case of no obstacles and straight line distance). Barrier-free 360 degree angle transmission distance: 500-1000cm/ 196-393inches/ 16-32ft. Wireless binaural stereo: Left and right earphone could separate use or used in pair, HIFI sound. Bluetooth version CSR4.2+EDR: Built-in CVC6.0 noise cancellation technology provides quiet communication effect. Convenient: Could connect 2Pcs phones at the same time. Fashion: Mini portable and comfortable for your ears. Left and right ears all build-in 65mAh rechargeable lithium battery.
Use time: 1. Single ear continuous listen songs or have calls could use up to 5 hours. 2. Binaural continuous listening songs could use up to 2.5 hours. 3. Single ear standby time about 120 hours. 4. Binaural standby time about 60 hours.
Charge time: Mini charging port, within 60 minutes is quick charge and battery 100% full. Built-in high sensitivity: (-38db) MIC. Support for Android and iPhone battery power indicator. Supported startup and shutdown voice prompts(In Chinese and English). Support calls voice report(In Chinese and English). Features: Answer/end/reject calls, calls voice report, connect 2Pcs phones at the same time, listen music, noise reduction, battery power indicator(support Apple systems).