•Bluetooth-compatible 5.1 chip, lower power consumption, stronger signal transmission •14mm large moving coil, a broader sound field creates an experience of sound in its environment •Built-in call noise reduction technology can efficiently filter noise and automatically detect your voice activity status, and intelligently identify the environment •Through IPX7 life-class waterproof and nano sweat proof test, no fear of rain from outdoor sports and sweat from the gym •270° rotatable ear hook, left and right ears can be switched freely •Clear distribution of function keys, all controls are at your fingertips, convenient and fast Specifications: •Bluetooth-compatible version: V5.1+EDR •Chip: JL 6973D •Supported protocols: AVRCP V1.6/A2DP V1.3/HFP V1.7 Simultaneous LE and BR / EDR •Use/play time: about 6 hours (80% volume) •Standby time: 180 hours •Charging time: about 1.5 hours •Distance: 10m •Net weight: 85g •Battery: Headphone: 100mAh, Charging Case: 500mAh Package included: •1 x Hanging Earphone •1 x Charging Case •1 x Charging Cable •1 x English and Chinese User Manual •Other items not include