BT 5.4 Single Ear Bluetooth Headset Noise Cancelling Long Standby 180 Degree Wireless Earphone With Digital Display . BLUETOOTH HEADSET NA ONE EAR BLUE Characteristic: 1. SAFE WAY: The headset does not go into your ear, whether you are running, na or hiking, it can provide the safest way to listen to music or podcasts. 2. BLUETOOTH CHIP VERSION 5.4: The single ear Bluetooth headset uses the latest Bluetooth chip version 5.4, stable signal, low standby power consumption and better performance. 3. HIGH PERFORMANCE: The Bluetooth headset uses a combination of composite membrane and acoustic technology with a large moving coil, which restores music with a bright high frequency and a thick and flexible constant frequency. 4. 180 DEGREE ADJUSTMENT: The 180 degree rotating microphone in one Bluetooth earbud allows you to adjust the angle and carry the Bluetooth headset na of any ear. 5. HIGH-CAPACITY BATTERY: The Bluetooth headset has a built-in 300mAh high-capacity battery that provides 78 hours of music and 98 hours of talk time after just 1 hour of fast charging. . BLUETOOTH HEADSET NA ONE EAR BLUE Specification: Item Type: One Ear Bluetooth Headset Material: PC, ABS Bluetooth version: 5.4 Bluetooth range: approx. 10 m/32,8 ft Charging Interface: Type C Waterproof rating: IPX5 Battery type: 300 mAh lithium-ion battery (built-in) . BLUETOOTH HEADSET NA ONE EAR BLUE List of packages: 1 x Headphones 1 x Charging Cable 1 x User Manual . BLUETOOTH HEADSET NA ONE EAR BLUE