Product detailsDescription:
Headphones program: Bluetooth 5.0+EDR
Protocol mode: A2DP, AVRCP, HSP, HFP
Headphone channel: true stereo
Control method: touch control
Prompt tone: English
Wireless use frequency band: 2.4Ghz
Effective distance: 10m barrier free
Microphone: Built-in
Pairing mode: automatic pairing after booting
Horn diameter: 8mm
Impedance: 32?
Sensitivity: 42db
Battery capacity: Headphones 55mAH
Charging bin: 450mAH
Headphones music time: 2-3 hours
Headphone talk time: 3-4 hours
Waterproof rating: IPX5 sweatproof
Battery compartment charging interface: micro USB
Charging time: 1-1.5 hour
Charging box charging voltage: 5v

Packing list:
2X Bluetooth earphone(left and right)
1X Charging box
1X USB cable,
1X English manual
BT Version: BT5.0?? ??? ??? ??? ??? ??? ??? ?Transmitting Distance: 10m/33ft?? ??? ??? ??? ??? ??? ??? ?BT Protocol: HFP, A2DP, HSP, AVCRP?? ??? ??? ??? ??? ??? ??? ?Frequency Range: 20-20000Hz?? ??? ??? ??? ??? ??? ??? ?Sensitivity: 98dB?? ??? ??? ??? ??? ??? ??? ?Impedance: 16O?? ??? ??? ??? ??? ??? ??? ?Waterproof: IPX5?? ??? ??? ??? ??? ??? ??? ?Charging Box Capacity: 3.7V 450mAh?? ??? ??? ??? ??? ??? ??? ?Earphone Battery Capacity: 2 * 3.7V 50mAh?? ??? ??? ??? ??? ??? ??? ?Music Play Time:?about 4 hours?(depends on music volume)?? ??? ??? ??? ??? ??? ??? ?Charging Time:?about 1.5 hours for earphones, 2 hours for charging box

This is the TWS4 wireless Bluetooth headsetA headphone design that fits the auricle of the human body for a firmer and more comfortable fitOne-touch, easy to operateNew upgrade, Bluetooth 5.0 chipTrue wireless, separate dual bodyCompact body, mini exquisiteIntelligent noise reduction, smart battery displayHigh quality headphones sound qualityspecification:Weight: 57gColor: black, whiteBluetooth version: Jerry V5.0Headphone battery: 50MAHBattery: Polymer lithium battery, 50 mA earphones, 300 mAh charging compartment.??Specifications:Product model: TWS4Bluetooth version: Jerry V5.0Headphone battery: 50MAHStandby time: >100 hoursTalk time: >4.5 hoursListening to the song: 4 hoursBattery: Polymer lithium battery, 50 mA earphones, 300 mAh charging compartment.Charging time: 40-50 minutes for the headset 1 hour for the charging compartmentComfortable to wear, compact and portableHigh quality sound qualityWearable while exercisingWaterproof designPackage Included:1* pair of headphones / charging compartment / usb charging cable / manual