B9 True Wireless headsets,Wireless earbuds,Bluetooth Headphones,China Factory,Supplier,Price

B9 True Wireless headsets,Wireless earbuds,Bluetooth Headphones,China Factory,Supplier,Price
Product Name: B9 wireless headsets
1.Second generation Bluetooth 5.0 chip
2.LED smart cool button light
3.9D stereo HIFI bass surround
4.Geographer film speaker
5.Full metal casing
6.Magnetic pull-out charging box
7.Ergonomic design; will not fall when worn on the ear
8.Life waterproof; no matter whether it is sweat in the gym or outdoor sports in the rain, it will not cause damage to the headphones.
9.Support single/binaural use (left and right headphones have built-in microphones for independent voice calls)
10.The ergonomically designed headphone head with soft natural silicone earmuffs will not cause ear pain and other bad conditions
even if you wear the headphones for a long time
Music or call duration: 3 hours
Charging box can charge the headset: 4-5 times
Charging box capacity: 300 mAh polymer lithium battery
Headphone single ear capacity: 60 mAh polymer lithium battery
Sensitivity: 120dB
Impedance: 32Ω
Bluetooth transmission distance: 10 meters
Charging voltage: 3.7V
Bluetooth decoder: ACC
Package Included: B9 TWS Bluetooth Headset*2 (left and right ears); Original full metal case charging box*1; Natural silicone earmuffs * 3 pairs (large / medium / small) Instruction manual*1; USB charging cable*1
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