Single-Sided Wireless Bluetooth-compatible Ear-Mounted Headset Earphone Handsfree Hanging Headphones Business Earbud _x005f_x000D_ Specification: _x005f_x000D_ Bluetooth-compatible Version: 5.0 _x005f_x000D_ Working Range: 10-15m without obstacles _x005f_x000D_ Wireless Frequency: 2.402-2.480GHz _x005f_x000D_ Transmission Power: Class2 _x005f_x000D_ Noise Reduction: CVC6.0 _x005f_x000D_ Standby Time: 180 hours _x005f_x000D_ Charging Time: 1-2 hours _x005f_x000D_ Playback Time: 7-8 hours _x005f_x000D_ Talk Time: 8-9 hours _x005f_x000D_ Left and Right Wear: 270 ° rotation _x005f_x000D_ Headset Color: Black _x005f_x000D_ Support: Caller ID, voice-activated answering _x005f_x000D_ Support System: all Bluetooth-compatible-enabled devices and cell phones _x005f_x000D_ Size: 77*51*8mm _x005f_x000D_ Weight: 21g _x005f_x000D_ Package Size: 95*60*20mm _x005f_x000D_ Package Weight: 55g _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ 2. Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 X Bluetooth-compatible Headset _x005f_x000D_ 1 X Charging Cable _x005f_x000D_ 1 X Manual