Split Separate Design Fineblue RWS-X8 BT 5.0 Wireless Business Stereo Wireless Sport Earbuds Headset For Phone iPhone (Black)
Working frequency band: ISM band (2, 402-2, 480GHz)Maximum
output power: 5mWTransmission
power: class
2 (-6dbm-4dbm)Communication distance: 10 meters
Frequency range: 50-20KHzNominal
output power: 3mWChip
model: RTL8763BFR
Body size:
headphones: 22.5 mm (length) x 17mm (width) x 23mm (the height of the ear lid)
Bluetooth version: Bluetooth V 5.0, support protocol HFP 1.7 HSP 1.2 A2DP 1.3 AVRCP 1.6
SPP 1.2L oad box: 97mm (length) x 31mm (width) x 22mm
Charge voltage: 5VOperating
voltage: 3.7VB
attery specifications: polymer headphone battery (401214/approximately 45mAh); charger battery (600mAh)
Speaker impedance: 16 15%
Sensitivity: 100dB
3dBSpeaker size: 6
x 4.8 mmSensitivity: -42dB 3db
Product model: RWS-X8