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B4 Sports Bluetooth V5.0+EDR HiFi TWS Stereo Ear-hook Headset handsfree call / 800mAh charging case / LED power display / water resistant / auto boot / ergonomic design ↓ details & specifications
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3 ~ 4
5 +
Product Type Headsets
Color Black
Bluetooth 5.0 + EDR
Water Resistant Yes
Earphone Style Ear-hook, Earbuds, Handsfree
Earphones & Speakers
Music Controls Yes
A2DP Stereo Music Yes
Power & Batteries
Battery Capacity (Mfg Rated) 2*50 mAh
Battery Chemistry Li-Polymer
Battery Feature Rechargeable
Battery Form Factor Protected 501015 (Headset), Protected 703040 (Charging Case)
Estimated Charging Time 1 Hour (Headset), 2*Hours (Charging Case)
Estimated Standby Time 230 Hours
Estimated Talk Time 5 Hours
Estimated Usage Time 5 Hours (Music)
Wireless Devices
Transmission Distance (Maximum) 10 meters
Transmission Frequency 2.4GHz-2.48GHz
Package Type Retail
Package Contents 2*Headsets, 1*Charging Case
Dimensions us | metric
Depth 43.5 mm
Height 73.5 mm
Width 73.5 mm
Product Weight 93 g
SKU 9715207
DATE LISTED 11/12/2019
  • Bluetooth chip: Realtek L8763
  • Bluetooth protocol: HSP1.2, HFP1.6, A2DP1.3, AVRCP1.5
  • Rated voltage: 3.7V
  • Power: 8mW
  • Current: 8mA

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Return for refund within: 45 days (details)
Return for replacement within: 6 months (details)

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Important information and restrictions:
  • Because this product contains batteries, it can only be shipped via select shipping methods. These shipping methods are displayed when you check out the order.
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