New air conduction wireless bluetooth headset hanging ear clip-on open sports running wildly dumping not off headset

Product Specification Product name ：True wireless bluetooth headset Bluetooth version V5.3 Headset type: in-ear Microphone: Yes Noise cancellation ：Active Waterproof: Yes Playback control: Yes Communication: Wireless Charging compartment battery capacity: 250MAH Bluetooth version: V5.3+EDR V5.3+EDR Charging time: 2 hours Battery life: 20 hours total Standby time: about 400 hours Headset battery capacity: 30mAh Charging compartment output power: 5V/100mA Talk time: approx. 4 hours Music time: Approx. 4 hours Support protocol: HSP1.2/HFP1.6/A2DP1.3/AVRCP1.6 Headset charging time: 1.5 hours Frequency: 2.4GHZ-2.4835GHZ ISM band Working distance: 10 metres (straight line distance without obstacles) Speaker Diameter: 8mm

Package Includes 2* Headphones 1* Charging case 1* Charging cable 1* Instruction manual