Bluetooth Headphones, WRZ Wireless Sports Earbuds Running in-Ear Earphones with Mic IPX 7 Sweatproof Stereo Earphones for Sport Gym Workout, 8-9 Hours Playback (Black)

Specifications
Model name: S4
Bluetooth version: V4.1+ EDR
Bluetooth profiles: HFP V1.6, A2DP V1.2, AVRCP V1.4
Battery type: Polymer Li-ion Battery (100mAh)
Music play time with BT on: Up to 8 hours
Talk time with BT on: Up to 9 hours
Charging time: 2 hours
Standby time: 200 hours
Bluetooth frequency: 2.402GHz-2.48GHz
Dynamic frequency response range: 20Hz-20kHz
Waterproof level: IPX7
Operation range: 33 feet (10 meters)

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