Specification；
Bluetooth version: 5.3
Earphone type: In-ear
Microphone: Yes
Noise Reduction: Active
Waterproof: Yes
Playback Control: Yes
Bluetooth Solution: Bluetooth AB5656A2
Charging time: about 2H
Transmission distance: ≥10M
Standby time: about 80day
Call endurance: about 3-4H
Charging interface: type-c
Charging compartment capacity: 250mah
Rated voltage: 3.7V
Horn specifications: 10MM
Wireless frequency: 2.4GHZ
Support protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3
Transmission distance: 15 meters
Battery capacity: 400909 25mAh (headset) 502030 250 (bottom compartment)
Charging voltage/current: 5V/1A
Playback/talk time: approx. 5 hours
Charging time: approx. 2 hours
Standby time: 180 hours
Speaker impedance: Φ10mm32Ω/5mW
Microphone sensitivity:? ±3dB
Operating temperature: -10-50℃
Features:
1. Sleep headset II upgraded, smaller, thinner, lighter, easy to handle all ear types side sleep, lying down, pressure on the ear will not pinch the ear, will not hurt the ear;
2. Equipped with the new Bluetooth 5.3 version, excellent performance to further enhance communication efficiency and anti-interference, power consumption is further reduced, and the connection is more rapid and stable;
3. 28h long standby endurance, upgraded Bluetooth 5.3 chip + polymer battery, a single time can listen to about 8 hours, with the charging compartment can listen to 28 hours, set off to faraway places can also have a full sense of security;
4. HD call noise reduction;
5. HiFi lossless sound quality.
Package includes:
1 pair of Bluetooth headphones
1x charging bay
1x charging cable
1x Instruction Manual
