Bluetooth version: V5.0+EDR
Wireless frequency: 2.402GHZ-2.480GHZ
Supporting agreement: HFP1.7/A2DP1.3//AVRCP1.6/SPP1.2andPBAP1.2, BDR/BLE
Transmission distance: 10 meters
Waterproof level:IPX7
Earbud Battery Capacity :50mAh
Charging Case Capacity:500mAh
Charging voltage / current: 5V / 1A
Play / talk time: about 4-5 hours
with charging case: more than 24 hours’ listening time
(single charge): up to 5 hours’ listening time.
Charging time: about 1 hours
Standby time: 100 hours
Speaker impedance: φ10MM 32Ω
Microphone sensitivity: -42Db
Products include
1 * One pair of Bluetooth headsets
1 * Charging box
1 * Charging cable
1 * User Manual
4 * Ear cap