Sports Bluetooth earphones with semi in ear intelligent noise reduction and ultra long battery life, wireless Bluetooth earphone Color:White D20 due to the addition of

due to the addition of Mo and V metal elements

The chairs come with cushions that add extra comfort for long dinners

09'' 74cm/29

and the cotton rope doesn't stretch

Health care function ：anti fatigue

Sports Bluetooth earphones with semi in ear intelligent noise reduction and ultra long battery life, wireless Bluetooth earphone Color:White D20 due to the addition ofBluetooth solution: (Blue Flood 5656T3) V5. 3 Supported protocols: HFP, A2DP, AVRCP Earplug battery capacity 25mAh * 2 Charging case battery capacity: 180mAh Speaker: 13 millimeters in diameter Charging time: 1. 5 hours Talk time: 4 hours Play time: 4 hours Standby time 200h Speaker sensitivity: 93 3dB Speaker impedance: 16 Standard input voltage DC 5V Bluetooth operating frequency: 2. 402GHz~2. 480GHz Frequency response range: 20Hz~20000Hz Maximum